instruction:
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.
question:
Sentence: Mitosis actually occurs in four phases. Question: Mitosis actually occurs in how many phases?
answer:
four


question:
Sentence: The name of positive ion ion always comes first. Question: The name of which ion always comes first?
answer:
positive ion


question:
Sentence: Because trees add water vapor to air, cutting down forests leads to longer periods of drought. Question: Because trees add water vapor to air, cutting down forests leads to longer periods of what?
answer:

drought