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.

Input: Consider Input: Sentence: They are not transcribed happens to structural genes in the presence of tryptophan. Question: What happens to structural genes in the presence of tryptophan?

Output: they are not transcribed

Input: Consider Input: Sentence: A reptile's metabolism doesn't generate enough energy to keep their body temperature stable. Question: A reptile's what doesn't generate enough energy to keep their body temperature stable?

Output: metabolism

Input: Consider Input: Sentence: In invertebrates group of animals several forms of asexual reproduction are found. Question: In what group of animals several forms of asexual reproduction are found?
Output: invertebrates