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

[EX Q]: Sentence: 'a kitchen in a camp with gear and coats laid out'. How many words contain the letter 'i' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a man on a motorcycle towing another man on a skateboard'. How many words contain the letter 'n' in the sentence.
[EX A]: 6

[EX Q]: Sentence: 'a bench sits beside a tree along a gravel road leading through a wooded area'. How many words contain the letter 'r' in the sentence.
[EX A]:
5