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

[Q]: Sentence: 'a man on a motorcycle towing another man on a skateboard'. How many words contain the letter 'n' in the sentence.
[A]: 6


[Q]: Sentence: 'a cat sitting on the arm of a chair'. How many words contain the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'a living room with a painting sectional and table'. How many words contain the letter 'z' in the sentence.
[A]:
0