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

Sentence: 'a group of giraffes walk across an open area'. How many words contain the letter 'm' in the sentence.
0

Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.
1

Sentence: 'a very pretty lady near a big tasty looking pizza'. How many words contain the letter 'y' in the sentence.

4