In this task, you need to count the number of words in a sentence that contain the given letter

[Q]: Sentence: 'a woman with a green umbrella crosses the wet street'. How many words contain the letter 'q' in the sentence.
[A]: 0

[Q]: Sentence: 'a man in a restaurant makes the v sign with both hands'. How many words contain the letter 'n' in the sentence.
[A]: 5

[Q]: Sentence: 'a black bull with stuff on its nose in a stable'. How many words contain the letter 'k' in the sentence.
[A]:
1