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

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

[EX Q]: Sentence: 'cars parked on the side of the road beside a fire hydrant'. How many words contain the letter 'p' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a small zebra is standing next to a large zebra'. How many words contain the letter 'x' in the sentence.
[EX A]:
1