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 that is sitting at a table with a bowl'. How many words contain the letter 'k' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two skiers standing side by side in the snow posing for a picture'. How many words contain the letter 'u' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'large group of people playing the nintendo wii'. How many words contain the letter 'u' in the sentence.


Output: 1