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

Sentence: 'a large pizza smothered in cheese and sauce'. How many words contain the letter 'a' in the sentence.
5

Sentence: 'a sign reading butt street on the corner of a building with a no parking sign below it'. How many words contain the letter 'h' in the sentence.
2

Sentence: 'a street scene with cars and an city bus'. How many words contain the letter 's' in the sentence.

4