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

[EX Q]: Sentence: 'a blue and white fire hydrant and two cars parked across the street'. How many words contain the letter 'y' in the sentence.
[EX A]: 1

[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: 'people are walking toward the sidewalk as many cars pass by'. How many words contain the letter 'j' in the sentence.
[EX A]:
0