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

Input: Consider Input: Sentence: 'the boy is in batting stance to waiting'. How many words contain the letter 'h' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man rides a black motorcycle around a curve'. How many words contain the letter 'y' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a skaterboader flipping his skateboard in the air'. How many words contain the letter 's' in the sentence.


Output: 3