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

Input: Consider Input: Sentence: 'a modern looking bathroom has a toilet and a sink'. How many words contain the letter 'o' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'bus moving through parking lot in front of building'. How many words contain the letter 'g' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'six bottles have been placed near many wine glasses'. How many words contain the letter 'w' in the sentence.


Output: 1