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

[Q]: Sentence: 'a carrot and celery are on a cutting board'. How many words contain the letter 's' in the sentence.
[A]: 0


[Q]: Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'people standing around a table with several boxes of donuts'. How many words contain the letter 'p' in the sentence.
[A]:
1