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

Example Input: Sentence: 'a cat lying on an open laptop that is on a bed'. How many words contain the letter 'y' in the sentence.
Example Output: 1

Example Input: Sentence: 'guys in a living room playing a wii bowling game'. How many words contain the letter 'c' in the sentence.
Example Output: 0

Example Input: Sentence: 'guys in a living room playing a wii bowling game'. How many words contain the letter 'c' in the sentence.
Example Output:
0