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 green and white street sign on a pole and a light'. How many words contain the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a pair of women stand together in a small kitchen'. How many words contain the letter 'h' in the sentence.
Example Output:
2