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

Example Input: Sentence: 'a man skiing through a snowcovered street area'. How many words contain the letter 'p' in the sentence.
Example Output: 0

Example Input: Sentence: 'a woman is laughing while sitting on a bed'. How many words contain the letter 'c' in the sentence.
Example Output: 0

Example Input: Sentence: 'a boy is swinging his bat at the ball in a baseball game'. How many words contain the letter 'x' in the sentence.
Example Output:
0