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

Example Input: Sentence: 'a clean kitchen with several cabinets a sink a coffee maker and a vase of flowers'. How many words contain the letter 'p' in the sentence.
Example Output: 0

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 busy city intersection with cars and people on bicycles and motorcycles'. How many words contain the letter 'c' in the sentence.
Example Output:
5