instruction:
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.
question:
Sentence: 'an oldfashioned safe and roll top desk in a green room'. Reverse all words of length '3' in the given sentence.
answer:
an oldfashioned safe dna roll pot desk in a green room


question:
Sentence: 'a cat is sitting near an orange wall and orange planter'. Reverse all words of length '7' in the given sentence.
answer:
a cat is gnittis near an orange wall and orange retnalp


question:
Sentence: 'a lot of sheep are standing on a rocky hill'. Reverse all words of length '3' in the given sentence.
answer:

a tol of sheep era standing on a rocky hill