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: 3 many elements are in the compound mg(oh)2. Question: How many elements are in the compound Mg(OH)2?

Ex Output:
3


Ex Input:
Sentence: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in temperature. Question: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?

Ex Output:
temperature


Ex Input:
Sentence: Like all tetrapods except birds and mammals, frogs possess a heart with three chambers. Question: Like all tetrapods except birds and mammals, frogs possess a heart with what structure?

Ex Output:

three chambers