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

Example Input: Sentence: 'the facades of the buildings in the row are all the same'. How many words contain the letter 'f' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man that is sitting on a horse in the grass'. How many words contain the letter 'y' in the sentence.
Example Output: 0

Example Input: Sentence: 'a bedroom with three windows a bed mirror and dresser'. How many words contain the letter 'q' in the sentence.
Example Output:
0