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

[Q]: Sentence: 'some people standing around a line of tennis courts'. How many words contain the letter 'c' in the sentence.
[A]: 1


[Q]: Sentence: 'a woman sitting on top of a cement bench near a lake'. How many words contain the letter 'w' in the sentence.
[A]: 1


[Q]: Sentence: 'a black bear is laying down with his arms crossed looking out on top of a rock'. How many words contain the letter 'x' in the sentence.
[A]:
0