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

[Q]: Sentence: 'a man holding a tennis racquet on a tennis court'. How many words contain the letter 'w' in the sentence.
[A]: 0


[Q]: Sentence: 'a airplane that has a propeller on the wing'. How many words contain the letter 'z' in the sentence.
[A]: 0


[Q]: Sentence: 'the person is cutting into a pizza with a knife'. How many words contain the letter 'b' in the sentence.
[A]:
0