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

Sentence: 'a commuter train near a platform with no one on it'. How many words contain the letter 'z' in the sentence.
0

Sentence: 'a woman in glasses and a black shirt next to clock'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'a stop sign sitting on a corner under a green street sign'. How many words contain the letter 'b' in the sentence.

0