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

Example Input: Sentence: 'a young skateboarder is performing tricks in a driveway'. How many words contain the letter 'd' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man riding a snowboard down the side of a snow covered slope'. How many words contain the letter 'c' in the sentence.
Example Output: 1

Example Input: Sentence: 'a room with chrome finish and two seated areas'. How many words contain the letter 't' in the sentence.
Example Output:
3