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 standing in the ocean holding a surfboard'. How many words contain the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a bench is in the ocean water with a fishing pole'. How many words contain the letter 'm' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a sign stands at in intersection on ninth street'. How many words contain the letter 'y' in the sentence.


Output: 0