In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

Example Input: Sentence: 'several people enjoying various activities at the beach'. Reverse all words of length '10' in the given sentence.
Example Output: several people enjoying various seitivitca at the beach

Example Input: Sentence: 'three plates of meals at a table with drinks and silverwear'. Reverse all words of length '4' in the given sentence.
Example Output: three plates of meals at a table htiw drinks and silverwear

Example Input: Sentence: 'a person that is looking out at the city'. Reverse all words of length '3' in the given sentence.
Example Output:

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
a person that is looking tuo at eht city

