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

[Q]: Sentence: 'a person in a helmet riding a skateboard'. How many words contain the letter 'c' in the sentence.
[A]: 0


[Q]: Sentence: 'a cat lying on an open laptop that is on a bed'. How many words contain the letter 'y' in the sentence.
[A]: 1


[Q]: Sentence: 'a man and a woman walking with an umbrella and a woman walking with a hood on her head'. How many words contain the letter 'z' in the sentence.
[A]:
0