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

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: 'the laptop is disassembled with the parts piled on the outer shell'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a zebra standing still in the grass near a tree'. How many words contain the letter 'w' in the sentence.


Output: 0