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

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: 'a bench is in the ocean water with a fishing pole'. How many words contain the letter 'm' in the sentence.
Example Output: 0

Example Input: Sentence: 'an image of a cat sitting on the bed on top of a laptop'. How many words contain the letter 'i' in the sentence.
Example Output:
2

