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.

Sentence: 'a grey clock tower with trees and wall below'. Reverse all words of length '5' in the given sentence.
a grey kcolc rewot with seert and wall woleb

Sentence: 'a panda bear walking around in the middle of a enclosure'. Reverse all words of length '6' in the given sentence.
a panda bear walking dnuora in the elddim of a enclosure

Sentence: 'a tray of assorted pizza slices on a table'. Reverse all words of length '2' in the given sentence.

a tray fo assorted pizza slices no a table