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

Input: Consider Input: Sentence: 'a plate has many different types of food on it'. How many words contain the letter 'r' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'ladies playing a video game and having fun'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a small kitten is being bottle fed milk'. How many words contain the letter 'z' in the sentence.


Output: 0