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 person in skis is standing in the snow'. Reverse all words of length '2' in the given sentence.
answer:
a person ni skis si standing ni the snow


question:
Sentence: 'a blie bag is sitting on a desk'. Reverse all words of length '2' in the given sentence.
answer:
a blie bag si sitting no a desk


question:
Sentence: 'a person on skis and wearing a backpack in the snow'. Reverse all words of length '4' in the given sentence.
answer:

a person on siks and wearing a backpack in the wons