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 red and green fire hydrant in son a sidewalk'. How many words contain the letter 'm' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a slice of watermelon and a glass of orange juice sit in front of a laptop on a table'. How many words contain the letter 't' in the sentence.


Output: 5