sentences: is something has a positive impact on something else, then the opposite of that something will have a negative impact on that something else
docs: positive_and_negative is opposites. negativity is polarity. all_things has impact_on_other_things annoyance is negative_stimulus. no is negative. sometimes_change is good_thing. change is when_one_thing_becomes_another_thing. negative is denial. opposites is two_things. otherness is difference.