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: 'several stacks of trunks in front of a building'. Reverse all words of length '8' in the given sentence.
several stacks of trunks in front of a gnidliub

Sentence: 'a can of pepsi and cellphone on the table'. Reverse all words of length '2' in the given sentence.
a can fo pepsi and cellphone no the table

Sentence: 'boy skateboarding next to a graffitti covered wall'. Reverse all words of length '2' in the given sentence.

boy skateboarding next ot a graffitti covered wall