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

Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.
1

Sentence: 'a teenager and child are fighting for a frisbee'. How many words contain the letter 'm' in the sentence.
0

Sentence: 'a man riding skis down a snow covered slope'. How many words contain the letter 'x' in the sentence.

0