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

Example Input: Sentence: 'a man is water skiing in the ocean'. How many words contain the letter 'c' in the sentence.
Example Output: 1

Example Input: Sentence: 'a kitchen filled with appliances and furniture next to windows'. How many words contain the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'a empty restroom with a white toilet and a sink'. How many words contain the letter 'b' in the sentence.
Example Output:
0