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

Input: Consider Input: Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man buttering toast in his kitchen on the counter'. How many words contain the letter 'c' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a dark room with a neatly made bed and chest of drawers behind it'. How many words contain the letter 'z' in the sentence.


Output: 0