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 sandwich that is on a plate on a table'. Reverse all words of length '8' in the given sentence.
answer:
a hciwdnas that is on a plate on a table


question:
Sentence: 'a person at a zoo looking over the fence of a giraffe enclosure'. Reverse all words of length '6' in the given sentence.
answer:
a nosrep at a zoo looking over the fence of a giraffe enclosure


question:
Sentence: 'a falcon perched on a weather vane'. Reverse all words of length '4' in the given sentence.
answer:

a falcon perched on a weather enav