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

[Q]: Sentence: 'a road cut off by police barricade tape'. How many words contain the letter 'x' in the sentence.
[A]: 0


[Q]: Sentence: 'a apple that is sitting on top of a knife'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'a cat lying on the chair with its eyes wide open'. How many words contain the letter 'c' in the sentence.
[A]:
2