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

Input: Consider Input: Sentence: 'a group of men sitting by tables working on laptops'. How many words contain the letter 'l' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a dog on a deck ripping in to a plastic frisbee'. How many words contain the letter 'l' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a kitchen with stove microwave and neatly organized counters'. How many words contain the letter 'z' in the sentence.


Output: 1