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 couple of lambs that are in the dirt'. How many words contain the letter 'l' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'lighted bar sign mounted near traffic signal in front of a building'. How many words contain the letter 'h' in the sentence.


Output: 1