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: Certain air pollutants form acid liquid when dissolved in water droplets in the air. Question: Certain air pollutants form which liquid when dissolved in water droplets in the air?

Ex Output:
acid


Ex Input:
Sentence: Combustion reaction occurs when a substance reacts quickly with oxygen. Question: What occurs when a substance reacts quickly with oxygen?

Ex Output:
combustion reaction


Ex Input:
Sentence: Scientists think protists are the oldest eukaryotes. Question: What do scientists think are the oldest eukaryotes?

Ex Output:

protists