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

Input: Consider Input: Sentence: 'a woman riding a motorcycle down a busy city street'. How many words contain the letter 'w' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'ancient pottery being displayed on an exhibit case'. How many words contain the letter 's' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'two hotdogs bread potatoes and a coke are on a table'. How many words contain the letter 'j' in the sentence.


Output: 0