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

Example Input: Sentence: 'dental personnel in dentist office standing in front of a computer screen'. How many words contain the letter 'w' in the sentence.
Example Output: 0

Example Input: Sentence: 'a couple is fast asleep at 3 in the morning'. How many words contain the letter 'y' in the sentence.
Example Output: 0

Example Input: Sentence: 'a large group of people standing outside by a ski slope'. How many words contain the letter 'h' in the sentence.
Example Output:
0