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

Input: Consider Input: Sentence: 'a man sitting holding a drink with pizzas on the table'. How many words contain the letter 'k' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man holding a tennis racquet on a tennis court'. How many words contain the letter 'w' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a couple of men stand next to a city bus'. How many words contain the letter 't' in the sentence.


Output: 4