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

Input: Consider Input: Sentence: 'a large elephant is walking by some bars'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'horses standing and laying down in the grass on a hill above a lake'. How many words contain the letter 'g' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'two people are sitting on a bench at sunset'. How many words contain the letter 'h' in the sentence.


Output: 1