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

Example Input: Sentence: 'a close up of two black cows grazing the grass'. How many words contain the letter 'u' in the sentence.
Example Output: 1

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 center kitchen island with cookie jar on it'. How many words contain the letter 'm' in the sentence.
Example Output:
0