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

[Q]: Sentence: 'a white pickup truck thats parked on the corner of an intersection'. How many words contain the letter 'v' in the sentence.
[A]: 0


[Q]: Sentence: 'a skier skiing on the mountain with trees behind him'. How many words contain the letter 'z' in the sentence.
[A]: 0


[Q]: Sentence: 'a picture of a bunkbed that is very clean'. How many words contain the letter 'a' in the sentence.
[A]:
4