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

Input: Consider Input: Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a beautiful woman holding a pink frosted cake'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man tossing a teddy bear off the side of a bridge with a parachute'. How many words contain the letter 'v' in the sentence.


Output: 0