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

Input: Consider Input: Sentence: 'a box filled with fresh fruit and vegetables'. How many words contain the letter 'w' in the sentence.

Output: 1


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: 'an image of a cat sitting on the bed on top of a laptop'. How many words contain the letter 'i' in the sentence.


Output: 2