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

Example Input: Sentence: 'a man wearing a striped tie and a hat'. How many words contain the letter 'h' in the sentence.
Example Output: 1

Example Input: Sentence: 'a kitchen with a dining room table and a sitting area'. How many words contain the letter 'r' in the sentence.
Example Output: 2

Example Input: Sentence: 'pizza served in a cooking pan ready to eat'. How many words contain the letter 'l' in the sentence.
Example Output:
0