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

Input: Consider Input: Sentence: 'a person holds a video game remote as another man looks on'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'an elephant stands in the grass near a tree'. How many words contain the letter 'c' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'toilet with lid open in stall and white tiled floor'. How many words contain the letter 'y' in the sentence.


Output: 0