Mostly students in fourth year know types of vocabulary.
So don't just look it is a short or long words. It couldn't determine whether the short or long words should be arranged in either group.
So, don't look at just short or long words. It cannot judge whether one word or word length should be arranged in any group.
So do not just look at it as a short or long words. It can not determine whether short term or long term should be classified in any group.