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

Input: Consider Input: Sentence: 'a team of junior baseball players carrying a trophy'. How many words contain the letter 'w' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two giraffe a mom and baby both with their heads up'. How many words contain the letter 'w' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a skateboard left on the beach in the sand'. How many words contain the letter 'w' in the sentence.


Output: 0