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

[EX Q]: Sentence: 'a bearded man sits on a couch with an electronic device in his hand'. How many words contain the letter 'e' in the sentence.
[EX A]: 3

[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 nice blue laptop on a messy table'. How many words contain the letter 'r' in the sentence.
[EX A]:
0