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

Input: Consider Input: Sentence: 'cars parked on the side of the road beside a fire hydrant'. How many words contain the letter 'p' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a keyboard on a table with a toothbrush a book some sunglasses and coffee'. How many words contain the letter 'e' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a person skis off of a high ramp'. How many words contain the letter 'r' in the sentence.


Output: 2