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: 'the cox is standing behind the fence alone'. Reverse all words of length '2' in the given sentence.
answer:
the cox si standing behind the fence alone


question:
Sentence: 'a yellow bird that is on a branch'. Reverse all words of length '1' in the given sentence.
answer:
a yellow bird that is on a branch


question:
Sentence: 'a mom a polar bear taking care of her cubs by the pool'. Reverse all words of length '3' in the given sentence.
answer:

a mom a polar bear taking care of reh cubs by eht pool