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 in a suit with his finger in his ear'. How many words contain the letter 'm' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'there are many menus showing the food selections'. How many words contain the letter 's' in the sentence.


Output: 3