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

Example Input: Sentence: 'a man standing in the ocean holding a surfboard'. How many words contain the letter 'c' in the sentence.
Example Output: 1

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: 'two men are surfing next to each other'. How many words contain the letter 'q' in the sentence.
Example Output:
0