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

Example Input: Sentence: 'a large airplane flying over a dry grass hillside'. How many words contain the letter 'e' in the sentence.
Example Output: 4

Example Input: Sentence: 'a couple of people that are on some skateboards'. How many words contain the letter 'o' in the sentence.
Example Output: 6

Example Input: Sentence: 'two men and one woman standing on the sidewalk by a parking meter'. How many words contain the letter 'q' in the sentence.
Example Output:
0