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

[Q]: Sentence: 'a zebra standing still in the grass near a tree'. How many words contain the letter 'w' in the sentence.
[A]: 0


[Q]: Sentence: 'a young man standing in front of a laptop computer'. How many words contain the letter 'y' in the sentence.
[A]: 1


[Q]: Sentence: 'a living room with a view of a tv on a stand on hardwood floors'. How many words contain the letter 'i' in the sentence.
[A]:
3