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: 'adult men playing with flying disc at popular beach'. How many words contain the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a single ram standing on a grassy hill'. How many words contain the letter 'u' in the sentence.


Output: 0