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

Input: Consider Input: Sentence: 'a large red sign on a metal pole'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a gray cat is wearing a santa hat'. How many words contain the letter 'm' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'group of horseback riders with numbers on their back'. How many words contain the letter 'z' in the sentence.


Output: 0