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

[EX Q]: Sentence: 'a little baby boy wearing an vest and tie'. How many words contain the letter 'e' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'people fly kites and relax at a crowded sunlit beach'. How many words contain the letter 'l' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a man holding a cup of coffee reaches for a donut'. How many words contain the letter 'm' in the sentence.
[EX A]:
1