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

Example Input: Sentence: 'the corner of a bathroom with washrags and cleaning supplies'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'man holding remote control for video game system'. How many words contain the letter 'u' in the sentence.
Example Output: 0

Example Input: Sentence: 'a cat is spread out on the blue carpet and someone is trying to pull their tennis shoe from underneath him'. How many words contain the letter 'u' in the sentence.
Example Output:
4