instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a long train is coming down some tracks'. How many words contain the letter 'w' in the sentence.
answer:
1


question:
Sentence: 'the tennis player returns a serve of the tennis ball'. How many words contain the letter 'q' in the sentence.
answer:
0


question:
Sentence: 'a girl is brushing her teeth in the mirror'. How many words contain the letter 'h' in the sentence.
answer:

4