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

Input: Consider Input: Sentence: 'two men and two men having drinks at a bar'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a dog jumping up and catching a frisbee in its mouth'. How many words contain the letter 'r' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a brown and cream colored vase stands on a pedestal'. How many words contain the letter 'm' in the sentence.


Output: 1