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.

[EX Q]: Sentence: 'a city truck two city buses and a yellow fire hydrant'. Reverse all words of length '4' in the given sentence.
[EX A]: a ytic truck two ytic buses and a yellow erif hydrant

[EX Q]: Sentence: 'a large bird stands on the ledge of a window'. Reverse all words of length '3' in the given sentence.
[EX A]: a large bird stands on eht ledge of a window

[EX Q]: Sentence: 'a man in black wet suit holding a surfboard under his arm'. Reverse all words of length '2' in the given sentence.
[EX A]:
a man ni black wet suit holding a surfboard under his arm