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

Sentence: 'a road cut off by police barricade tape'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'a room with a mirror and a desk with a monitor'. How many words contain the letter 'z' in the sentence.
0

Sentence: 'a rose in a white vase on a table in a restaurant'. How many words contain the letter 'b' in the sentence.

1