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

Input: Consider Input: Sentence: 'a giraffe that is eating some leaves from a tree'. How many words contain the letter 'g' in the sentence.

Output: 2


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: 'an open sandwich with onions on a small plate'. How many words contain the letter 'x' in the sentence.


Output: 0