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

Example Input: Sentence: 'a little boy learning to throw a frisbee'. How many words contain the letter 'h' in the sentence.
Example Output: 1

Example Input: Sentence: 'an lshaped desk covered in various computers and accessories'. How many words contain the letter 'e' in the sentence.
Example Output: 5

Example Input: Sentence: 'a computer desk with two laptops headphones and various papers'. How many words contain the letter 'd' in the sentence.
Example Output:
3