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

Input: Consider Input: Sentence: 'a woman swinging a tennis racquet in the air'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man with baskets of goods stands next to his bicycle'. How many words contain the letter 'r' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'bicycle crossing light on a traffic signal near a park'. How many words contain the letter 'q' in the sentence.


Output: 0