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

Sentence: 'a pair of tennis players on a tennis court'. How many words contain the letter 'u' in the sentence.
1

Sentence: 'a small plain kitchen with a white stove and microwave'. How many words contain the letter 'h' in the sentence.
3

Sentence: 'a person in white and blue standing in front of open doors of a bus'. How many words contain the letter 'f' in the sentence.

3