Detailed Instructions: In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
Problem:Sentence: Scientists know that some mountains were once at the bottom of an ocean because marine fossils have been found on the peaks of some mountains. Question: How do scientists know that some mountains were once at the bottom of an ocean?
Solution:
Marine fossils have been found on the peaks of some mountains.