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

Input: Consider Input: Sentence: 'man and woman wearing all red standing in a snowy field'. How many words contain the letter 'k' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a couple of people that are on some skateboards'. How many words contain the letter 'o' in the sentence.

Output: 6


Input: Consider Input: Sentence: 'pairs of skis and luggage in the back of a car'. How many words contain the letter 'o' in the sentence.


Output: 2