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

Sentence: 'some people standing around a line of tennis courts'. How many words contain the letter 'c' in the sentence.
1

Sentence: 'a dog lying down with a blanket on top of it'. How many words contain the letter 'o' in the sentence.
5

Sentence: 'a black plate with apples spinach and a sandwich'. How many words contain the letter 'x' in the sentence.

0