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

Example Input: Sentence: 'a parked blue and white motorcycle with a black seat'. How many words contain the letter 'd' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man in a suit with his finger in his ear'. How many words contain the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'a window display of a lot of stuffed animals'. How many words contain the letter 'q' in the sentence.
Example Output:
0