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

[Q]: Sentence: 'a group of kids are participating in a swim class'. How many words contain the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'someone is holding an orange and black iphone'. How many words contain the letter 'h' in the sentence.
[A]: 2


[Q]: Sentence: 'a living room filled with furniture on top of a hard wood floor'. How many words contain the letter 'i' in the sentence.
[A]:
4