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

Example Input: Sentence: 'a woman working her small shared office cubicle'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'a persons desk with a computer and many books in a case behind it'. How many words contain the letter 'd' in the sentence.
Example Output: 3

Example Input: Sentence: 'a cat lounging on the floor with a tiny rug'. How many words contain the letter 'n' in the sentence.
Example Output:
3