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

[Q]: Sentence: 'a pile of stuffed brown teddy bears wearing clothing'. How many words contain the letter 'w' in the sentence.
[A]: 2


[Q]: Sentence: 'a person skiing down part of a marked race course'. How many words contain the letter 'z' in the sentence.
[A]: 0


[Q]: Sentence: 'a keyboard on a table with a toothbrush a book some sunglasses and coffee'. How many words contain the letter 'e' in the sentence.
[A]:
5