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

[Q]: Sentence: 'a cat is laying in a piece of luggage'. How many words contain the letter 'p' in the sentence.
[A]: 1


[Q]: Sentence: 'snow boarder in midflight inverted with a steep snowy slope in the background'. How many words contain the letter 'j' in the sentence.
[A]: 0


[Q]: Sentence: 'a green plate displays several doughnuts and doughnut holes'. How many words contain the letter 'b' in the sentence.
[A]:
0