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

[Q]: Sentence: 'a black and white photo of a very crowded tropical beach'. How many words contain the letter 'p' in the sentence.
[A]: 2


[Q]: Sentence: 'a tabby cat rests on a suitcase set on the floor in a room'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'man posing in an old black and white photograph in front of an old plane'. How many words contain the letter 'b' in the sentence.
[A]:
1