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

Input: Consider Input: Sentence: 'a young man dressed like a pirate on a skateboard'. How many words contain the letter 'a' in the sentence.

Output: 6


Input: Consider Input: Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a small terrier stands in the open suitcase ready to go'. How many words contain the letter 'l' in the sentence.


Output: 1


