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

Example Input: Sentence: 'there is a plate if food with broccoli fish and a baked potato'. How many words contain the letter 'k' in the sentence.
Example Output: 1

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: 'the room is filled with various technical appliances'. How many words contain the letter 'd' in the sentence.
Example Output:
1