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

Example Input: Sentence: 'a man rides a black motorcycle around a curve'. How many words contain the letter 'y' in the sentence.
Example Output: 1

Example Input: Sentence: 'five kids playing with frisbees on a sunny day'. How many words contain the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'an empty office room with a sofa and desk with a computer'. How many words contain the letter 'w' in the sentence.
Example Output:
2