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

[Q]: Sentence: 'a woman is posing next to a stop sign'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'a colorful stuffed bear sits on a purple outdoor bench'. How many words contain the letter 'v' in the sentence.
[A]: 0


[Q]: Sentence: 'the surfer has a wire hanging from his arm to the surfboard'. How many words contain the letter 'h' in the sentence.
[A]:
5