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 riding waves on his surfboard in the ocean'. How many words contain the letter 'v' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a red car traveling down a street next to a sidewalk sign'. How many words contain the letter 'j' in the sentence.


Output: 0