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: Mars is the fourth planet from the sun. Question: Which is the fourth planet from the sun?

Ex Output:
mars

Ex Input:
Sentence: Stationary front weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses. Question: What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses?

Ex Output:
stationary front

Ex Input:
Sentence: Coal can be mined from earth and used as an energy source. Question: Which of these can be mined from Earth and used as an energy source?

Ex Output:
Coal