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

Sentence: 'a clock tower next to a building in a city'. How many words contain the letter 'a' in the sentence.
3

Sentence: 'man holding remote control for video game system'. How many words contain the letter 'u' in the sentence.
0

Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.

0