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

Input: Consider Input: Sentence: 'a man sitting holding a drink with pizzas on the table'. How many words contain the letter 'k' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'sometimes its hard to catch a polo match on film'. How many words contain the letter 'x' in the sentence.


Output: 0