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 tabby cat under a white comforter and on top of a cream colored pillow'. How many words contain the letter 'l' in the sentence.
Example Output: 2

Example Input: Sentence: 'some people are hanging out and playing the nintendo wii'. How many words contain the letter 'p' in the sentence.
Example Output:
2