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.

[Q]: Sentence: Deep currents are convection currents that occur far below the surface of the ocean called. Question: What are convection currents that occur far below the surface of the ocean called?
[A]: deep currents

[Q]: Sentence: Drought makes marginal lands unsuitable for farming. Question: What makes marginal lands unsuitable for farming?
[A]: drought

[Q]: Sentence: The ph scale measures acids and bases and has 7 as a neutral value. Question: Which scale measures acids and bases and has 7 as a neutral value?
[A]:
ph