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

[Q]: Sentence: 'street signs are affixed to a utility pole'. How many words contain the letter 'u' in the sentence.
[A]: 1

[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 pitcher is shown just after releasing the baseball'. How many words contain the letter 'm' in the sentence.
[A]:
0