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

Input: Consider Input: Sentence: 'a kitchen filled with appliances and furniture next to windows'. How many words contain the letter 'p' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'fresh daisies in a rectangular green glass vase'. How many words contain the letter 's' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a crosscountry skier moves through a wooded area'. How many words contain the letter 'o' in the sentence.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: 4


