With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Constantine is a British-German film.
text_B: Amperozide is an atypical antipsychotic of the diphenylbutylpiperazine class which acts as an antagonist at the 5-HT2A receptor .. atypical antipsychotic. atypical antipsychotic. diphenylbutylpiperazine. diphenylbutylpiperazine. antagonist. Antagonist ( pharmacology ). receptor. receptor ( biochemistry ). It does not block dopamine receptors as with most antipsychotic drugs , but does inhibit dopamine release , and alters the firing pattern of dopaminergic neurons .. It was investigated for the treatment of schizophrenia in humans , but never adopted clinically .. schizophrenia. schizophrenia. Its main use is instead in veterinary medicine , primarily in intensively farmed pigs , for decreasing aggression and stress and thereby increasing feeding and productivity .. veterinary medicine. veterinary medicine
not_related.