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

Sentence: 'sitting room with couch and entertainment system in cabinets'. How many words contain the letter 'e' in the sentence.
3

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

Sentence: 'a motorcycles parked on a city street near a van'. How many words contain the letter 'b' in the sentence.

0