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 woman standing on a beach near the water'. How many words contain the letter 'n' in the sentence.
Example Output: 4

Example Input: Sentence: 'a baseball player standing next to home base'. How many words contain the letter 'l' in the sentence.
Example Output:
2