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

Input: Consider Input: Sentence: 'a lit street light next to a bar'. How many words contain the letter 'w' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a herd of giraffe grazing from a feeder'. How many words contain the letter 'h' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a woman holding an umbrella standing in front of a fountain'. How many words contain the letter 'w' in the sentence.


Output: 1