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

Example Input: Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.
Example Output: 1

Example Input: Sentence: 'many different species of sheep in display at a museum'. How many words contain the letter 'p' in the sentence.
Example Output: 3

Example Input: Sentence: 'a white platter topped with cakes next to a platter topped with donuts'. How many words contain the letter 'p' in the sentence.
Example Output:
4