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

Input: Consider Input: Sentence: 'a couple poses under a banner of a turkey'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a black sign that is standing in the grass'. How many words contain the letter 'f' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a group of guys at a table served several pizzas'. How many words contain the letter 'd' in the sentence.


Output: 1