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

Input: Consider Input: Sentence: 'a colorful stuffed bear sits on a purple outdoor bench'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a person holds a video game remote as another man looks on'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a boat that has been beached on the shore'. How many words contain the letter 'c' in the sentence.


Output: 1