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

Input: Consider Input: Sentence: 'a little boy learning to throw a frisbee'. How many words contain the letter 'h' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a woman is standing at a fruit stand'. How many words contain the letter 'y' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'the kitchen has several shiny surfaces include granite countertop and a stainless stove and refrigerator'. How many words contain the letter 'w' in the sentence.


Output: 0