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

Example Input: Sentence: 'a large zebra standing out in a grassy field'. How many words contain the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a person that is fixing a pillow on a couch'. How many words contain the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a bathroom clutter with a lot of personal belongings'. How many words contain the letter 'q' in the sentence.
Example Output:
0