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

[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: 'some kids are all taking a photograph together'. How many words contain the letter 'e' in the sentence.
[A]: 3


[Q]: Sentence: 'three men sit at a table with laptops and papers on it'. How many words contain the letter 'l' in the sentence.
[A]:
2