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 flying through the air while riding a snowboard'. How many words contain the letter 'x' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a girl laying on a couch with a bird on her head'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'some green beans that are in a container'. How many words contain the letter 'l' in the sentence.


Output: 0