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

[Q]: Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.
[A]: 1


[Q]: Sentence: 'there is a plate if food with broccoli fish and a baked potato'. How many words contain the letter 'k' in the sentence.
[A]: 1


[Q]: Sentence: 'a man and woman sits in front of a pizza'. How many words contain the letter 'i' in the sentence.
[A]:
3