if two things are opposites then those two things are different
opposites is not two_things. couple is not two. antonyms is not words_with_opposite_meanings. opposites is two_things. every_action_there is not equal_and_opposite_reaction. pair_of_things is not two_things. antonyms is words_with_opposite_meanings. all_things has opposite all_things has not opposite pair_of_things is two_things.