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

Input: Consider Input: Sentence: 'a carrot and celery are on a cutting board'. How many words contain the letter 's' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two motorcycle riders pose with motorcycles in front of a brick building'. How many words contain the letter 'c' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a large clock mounted in the face of a building'. How many words contain the letter 'e' in the sentence.


Output: 4