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

Input: Consider Input: Sentence: 'dental personnel in dentist office standing in front of a computer screen'. How many words contain the letter 'w' in the sentence.

Output: 0

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 cat lounges on the seat of a red chair'. How many words contain the letter 'g' in the sentence.
Output: 1