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

Input: Consider Input: Sentence: 'a large jetliner with a space shuttle on its back next to a fighter jet'. How many words contain the letter 'm' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a group of people on a beach beneath a cloudy sky'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a female tennis player is trying to hit the ball'. How many words contain the letter 'x' in the sentence.


Output: 0