--- title: A fossil lies between a layer of ash 67 million years old below and… — How old is it? Rock layers, rock clock… · tree and pragmatics description: A fossil lies between a layer of ash 67 million years old below and one 65 million years old above. How old is the fossil? Test 3 · ★ of lesson 276 «How old is it? Rock layers, rock clocks, amber and the long story of life» of the biology course of Mova's primary school, with the dependency tree and --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life/t3/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [How old is it? Rock layers, rock clock…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life/) / t3 # Test 3 · ★ · How old is it? Rock layers, rock clocks, amber and the lon… A fossil lies between a layer of ash 67 million years old below and one 65 million years old above. How old is the fossil? **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** fossil · **What happens:** lie, be · **To what, where:** layer, old fossil This is test 3 · ★ of lesson 276 «How old is it? Rock layers, rock clocks, amber and the long story of life» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life/#t3). ## The question {#question} *Sentence 1:* A fossil lies between a layer of ash 67 million years old below and one 65 million years old above. ```conllu # sent_id = question:biology:276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life:t3:1 # text = A fossil lies between a layer of ash 67 million years old below and one 65 million years old above. 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 fossil fossil NOUN NN Number=Sing 3 nsubj _ _ 3 lies lie VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 between between ADP IN _ 6 case _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 layer layer NOUN NN Number=Sing 3 obl _ _ 7 of of ADP IN _ 8 case _ _ 8 ash ash NOUN NN Number=Sing 6 nmod _ _ 9 67 67 NUM CD NumForm=Digit|NumType=Card 10 compound _ _ 10 million million NUM CD NumForm=Word|NumType=Card 11 nummod _ _ 11 years year NOUN NNS Number=Plur 12 obl:unmarked _ _ 12 old old ADJ JJ Degree=Pos 8 amod _ _ 13 below below ADV RB _ 12 advmod _ _ 14 and and CCONJ CC _ 19 cc _ _ 15 one one NUM CD NumForm=Word|NumType=Card 18 nummod _ _ 16 65 65 NUM CD NumForm=Digit|NumType=Card 17 compound _ _ 17 million million NUM CD NumForm=Word|NumType=Card 15 nmod _ _ 18 years year NOUN NNS Number=Plur 19 obl:unmarked _ _ 19 old old ADJ JJ Degree=Pos 8 amod _ _ 20 above above ADV RB _ 19 advmod _ SpaceAfter=No 21 . . PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **lie** | present | a fossil | | | a layer of ash | | | vn assuming\_position-50 «NP V PP.location»: agent=Agent between layer=Location | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. *Sentence 2:* How old is the fossil? ```conllu # sent_id = question:biology:276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life:t3:2 # text = How old is the fossil? 1 How how ADV WRB PronType=Int 2 advmod _ _ 2 old old ADJ JJ Degree=Pos 5 amod _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 cop _ _ 4 the the DET DT Definite=Def|PronType=Art 5 det _ _ 5 fossil fossil NOUN NN Number=Sing 0 root _ SpaceAfter=No 6 ? ? PUNCT . _ 5 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is a** | present | | the old fossil | | | | | tree rules | ## The options {#options} ### Option 1 · ← Mova's choice {#o1} Exactly 132 million years ```conllu # sent_id = question:biology:276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life:t3:o1:1 # text = Exactly 132 million years 1 Exactly exactly ADV RB _ 3 advmod _ _ 2 132 132 NUM CD NumForm=Digit|NumType=Card 3 compound _ _ 3 million million NUM CD NumForm=Word|NumType=Card 4 nummod _ _ 4 years year NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 2 {#o2} Older than 67 million years ```conllu # sent_id = question:biology:276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life:t3:o2:1 # text = Older than 67 million years 1 Older old ADJ JJR Degree=Cmp 4 advmod _ _ 2 than than ADP IN _ 1 fixed _ _ 3 67 67 NUM CD NumForm=Digit|NumType=Card 4 compound _ _ 4 million million NUM CD NumForm=Word|NumType=Card 5 nummod _ _ 5 years year NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 3 · ✓ the right answer {#o3} Between 65 and 67 million years ```conllu # sent_id = question:biology:276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life:t3:o3:1 # text = Between 65 and 67 million years 1 Between between ADP IN _ 2 case _ _ 2 65 65 NUM CD NumForm=Digit|NumType=Card 5 compound _ _ 3 and and CCONJ CC _ 4 cc _ _ 4 67 67 NUM CD NumForm=Digit|NumType=Card 2 conj _ _ 5 million million NUM CD NumForm=Word|NumType=Card 6 nummod _ _ 6 years year NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 4 {#o4} Younger than 65 million years ```conllu # sent_id = question:biology:276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life:t3:o4:1 # text = Younger than 65 million years 1 Younger young ADJ JJR Degree=Cmp 4 advmod _ _ 2 than than ADP IN _ 1 fixed _ _ 3 65 65 NUM CD NumForm=Digit|NumType=Card 4 compound _ _ 4 million million NUM CD NumForm=Word|NumType=Card 5 nummod _ _ 5 years year NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License. - ← previous: [How old is it? Rock layers, rock clock…, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life/t2/) - next →: [How old is it? Rock layers, rock clock…, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life/t4/) - ↑ back to [How old is it? Rock layers, rock clocks, amber and the long story of life](https://md.mova.elamur.ai/free/en/corpora/questions/biology/276-how-old-is-it-rock-layers-rock-clocks-amber-and-the-long-story-of-life/)