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

Input: Consider Input: Sentence: 'a pizza sitting on top of a black cutting board'. How many words contain the letter 'g' in the sentence.

Output: 2


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 flower is set on top of a wooden table'. How many words contain the letter 'm' in the sentence.


Output: 0