instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a horse that has a car behind it in the street'. How many words contain the letter 'j' in the sentence.
answer:
0


question:
Sentence: 'a man rides a black motorcycle around a curve'. How many words contain the letter 'y' in the sentence.
answer:
1


question:
Sentence: 'a man throws a frisbee in the park'. How many words contain the letter 'b' in the sentence.
answer:

1