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: 'snow boarder in midflight inverted with a steep snowy slope in the background'. How many words contain the letter 'j' in the sentence.
0

Sentence: 'a view of a bench with a vase next to it it looks old fashioned'. How many words contain the letter 'i' in the sentence.

5