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

Input: Consider Input: Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.

Output: 3


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: 'two train tracks one of which with a front diagonal view of a train with cars or gondolas attached outside with trees'. How many words contain the letter 'd' in the sentence.


Output: 4