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

Input: Consider Input: Sentence: 'a teenager and child are fighting for a frisbee'. How many words contain the letter 'm' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'man running to catch a frisbee in a springtime park'. How many words contain the letter 'j' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a beautiful little girl laying in bed while drinking from a bottle'. How many words contain the letter 'z' in the sentence.


Output: 0