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

Example Input: Sentence: 'a persons desk with a computer and many books in a case behind it'. How many words contain the letter 'd' in the sentence.
Example Output: 3

Example Input: Sentence: 'two cakes on a table with a piece missing out of one'. How many words contain the letter 'h' in the sentence.
Example Output: 1

Example Input: Sentence: 'a woman stands under an umbrella in the rain'. How many words contain the letter 'p' in the sentence.
Example Output:
0