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.

Ex Input:
Sentence: Stem basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures. Question: What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?

Ex Output:
stem


Ex Input:
Sentence: Chemical energy is stored in the atom bonds. Question: Where is chemical energy stored?

Ex Output:
atom bonds


Ex Input:
Sentence: As the altitude decreases, the density of air decreases. Question: What happens to the density of air as the altitude decreases?

Ex Output:

decreases