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: 'a woman is laughing while sitting on a bed'. How many words contain the letter 'c' in the sentence.
Example Output: 0

Example Input: Sentence: 'two motorcycles are parked at a market of some kind'. How many words contain the letter 'n' in the sentence.
Example Output:
1