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

Input: Consider Input: Sentence: 'a couple are setting the different pizzas on a table'. How many words contain the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a stop sign that has been spray painted'. How many words contain the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'an older brick structure with whitewashed doors and a clock in the apex'. How many words contain the letter 's' in the sentence.


Output: 3