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

[EX Q]: Sentence: 'an elephant near a man sitting down'. How many words contain the letter 'y' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a close up of two black cows grazing the grass'. How many words contain the letter 'u' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a stop sign in front a multistory building'. How many words contain the letter 'p' in the sentence.
[EX A]:
1