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

Example Input: Sentence: 'a group of people dressed to ski standing in the snow'. How many words contain the letter 'b' in the sentence.
Example Output: 0

Example Input: Sentence: 'a woman on crosscountry skiing through a wooded trail'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'a cat gives itself a bath on the hood of a car'. How many words contain the letter 'y' in the sentence.
Example Output:
0