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

[Q]: Sentence: 'bus parked next to a side walk on the road'. How many words contain the letter 'd' in the sentence.
[A]: 3


[Q]: Sentence: 'a gray cat is wearing a santa hat'. How many words contain the letter 'm' in the sentence.
[A]: 0


[Q]: Sentence: 'a man with a long coat and a hat skating on the road'. How many words contain the letter 'q' in the sentence.
[A]:
0