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

[EX Q]: Sentence: 'a man holding a tennis racquet on a tennis court'. How many words contain the letter 'w' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a jet airliner carrying a small shuttle above it'. How many words contain the letter 'r' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a yellow umbrella sitting on top of a white table'. How many words contain the letter 'c' in the sentence.
[EX A]:
0