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

Sentence: 'a plastic container filled with pastry balls sitting on a counter'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'a couple sitting on seats on a train'. How many words contain the letter 'z' in the sentence.
0

Sentence: 'five baseball bats on a silent auction table'. How many words contain the letter 'n' in the sentence.

3