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

Example Input: Sentence: 'a large red sign on a metal pole'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'a cat is walking on a wooden deck in the snow'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'bathroom with one sink  a large black mirror and granite counter top'. How many words contain the letter 'w' in the sentence.
Example Output:
1