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

Sentence: 'the zebra is showing his rear end to the camera'. How many words contain the letter 'r' in the sentence.
3

Sentence: 'two males and a drink a laptop and a cellphone'. How many words contain the letter 'b' in the sentence.
0

Sentence: 'a couple of people carrying luggage through the snow'. How many words contain the letter 'u' in the sentence.

3