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

[Q]: Sentence: 'a person that is wearing glasses looking into a mirror'. How many words contain the letter 'f' in the sentence.
[A]: 0


[Q]: Sentence: 'a young man standing in front of a laptop computer'. How many words contain the letter 'y' in the sentence.
[A]: 1


[Q]: Sentence: 'the two tennis players are playing in a game'. How many words contain the letter 'p' in the sentence.
[A]:
2