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

Input: Consider Input: Sentence: 'unusual round vase with flower stems inside it'. How many words contain the letter 'c' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man sleeping on a park bench then a woman looks at another man with a newspaper over his face on another park bench'. How many words contain the letter 't' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a parking meter on the side of the road is covered in snow'. How many words contain the letter 'l' in the sentence.


Output: 0