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

Input: Consider Input: Sentence: 'some stop lights that are at an intersection'. How many words contain the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'two people riding on the back of a large elephant'. How many words contain the letter 't' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'people are patiently waiting for the trains they need to ride'. How many words contain the letter 'j' in the sentence.


Output: 0