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

Sentence: 'two green metal street signs with spanish words on it'. How many words contain the letter 'q' in the sentence.
0

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

Sentence: 'two cakes on a table with a piece missing out of one'. How many words contain the letter 'h' in the sentence.

1