In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.

Input: Consider Input: Sentence: 'a portion of carrot cake is sitting on a plate'. How many words end with the letter 'e' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a brick building with a couple of street signs on it'. How many words end with the letter 'k' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a refrigerated display case is full of dairy groceries'. How many words end with the letter 'f' 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: 1


