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: 'a toilet and a roll of toilet paper'. Reverse all words of length '2' in the given sentence.
answer:
a toilet and a roll fo toilet paper


question:
Sentence: 'a baby wearing a bib setting at a table with food on it'. Reverse all words of length '7' in the given sentence.
answer:
a baby gniraew a bib gnittes at a table with food on it


question:
Sentence: 'the chairs on the beach by the water are empty'. Reverse all words of length '5' in the given sentence.
answer:

the chairs on the hcaeb by the retaw are ytpme