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.

Sentence: Digestion begins in the gastrovascular cavity. Question: Where does digestion begin?
gastrovascular cavity

Sentence: Vesicles are used during endocytosis to allow molecules to enter the cell. Question: What cellular structure is used during endocytosis to allow molecules to enter the cell?
vesicles

Sentence: Stratus clouds occur in the low of the troposphere. Question: Where do stratus clouds occur in the troposphere?
low