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

Input: Consider Input: Sentence: 'a fire hydrant on the side of the road near a building'. How many words contain the letter 'a' in the sentence.

Output: 5


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: 'this is a plate of salmon with side orders of rice and broccoli'. How many words contain the letter 'c' in the sentence.


Output: 2