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: The ears are an external feature in human beings is responsible for balance. Question: What external feature in human beings is responsible for balance?
[A]: ears


[Q]: Sentence: There is very little direct sunlight on cloudy days is it more difficult to see your shadow on a cloudy day than on a sunny day. Question: Why is it more difficult to see your shadow on a cloudy day than on a sunny day?
[A]: There is very little direct sunlight on cloudy days.


[Q]: Sentence: There are four types of bosons. Question: How many types of bosons are there?
[A]:
four