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

Example Input: Sentence: 'a woman is smiling next to a dog'. How many words contain the letter 'j' in the sentence.
Example Output: 0

Example Input: Sentence: 'a panthers football player holding a baseball bat and basketball'. How many words contain the letter 'y' in the sentence.
Example Output: 1

Example Input: Sentence: 'four hot dogs on a grill next to some hot dog buns'. How many words contain the letter 's' in the sentence.
Example Output:
3