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

Input: Consider Input: Sentence: 'skate boarder trying to maintain his balance during stunt'. How many words contain the letter 'w' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two children practicing for a ski race without poles'. How many words contain the letter 'e' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'the man is drinking at the table outside'. How many words contain the letter 'd' in the sentence.


Output: 2