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

Input: Consider Input: Sentence: 'a cellphone mounted to a dashboard of a car'. How many words contain the letter 'p' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'two zebras standing next to each other in the dried grass'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two toys one a toy cow on a bed'. How many words contain the letter 'f' in the sentence.


Output: 0