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 pizza sits on the table with pepperoni cheese ricotta cheese and topped with greens'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'a herd of sheep walking along a lush green field'. How many words contain the letter 'd' in the sentence.
Example Output:
2