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

Input: Consider Input: Sentence: 'a white longheaired dog eating a birthday cake'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a photograph of a restroom toilet in front of tiles'. How many words contain the letter 'c' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a blurry car going through a green light'. How many words contain the letter 'm' in the sentence.


Output: 0