instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a person is riding a bicycle on the street'. How many words contain the letter 'b' in the sentence.
answer:
1


question:
Sentence: 'five kids playing with frisbees on a sunny day'. How many words contain the letter 'p' in the sentence.
answer:
1


question:
Sentence: 'a man smokes standing by two tilling horses on a farm'. How many words contain the letter 'a' in the sentence.
answer:

5