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

[Q]: Sentence: 'a picture of a plane in the air'. How many words contain the letter 'l' in the sentence.
[A]: 1


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


[Q]: Sentence: 'a man uses both hands to swing his tennis racket'. How many words contain the letter 'h' in the sentence.
[A]:
3