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

[Q]: Sentence: 'a cat that is laying down with a mouse on top of it'. How many words contain the letter 'm' in the sentence.
[A]: 1


[Q]: Sentence: 'a cat is walking on a wooden deck in the snow'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'a man sitting in front of a computer taking a bit out of a pastry and holding a drink'. How many words contain the letter 'c' in the sentence.
[A]:
1