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

[Q]: Sentence: 'two hotdogs on with various toppings and a drink on a counter'. How many words contain the letter 'w' in the sentence.
[A]: 2


[Q]: Sentence: 'a man buttering toast in his kitchen on the counter'. How many words contain the letter 'c' in the sentence.
[A]: 2


[Q]: Sentence: 'a art mobile installation consisting of street signs with the names of various streets'. How many words contain the letter 'z' in the sentence.
[A]:
0