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

Input: Consider Input: Sentence: 'man running to catch a frisbee in a springtime park'. How many words contain the letter 'j' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a glass of beer sitting next to a laptop'. How many words contain the letter 'a' in the sentence.


Output: 4