Premise: Adderall . By salt content , the active ingredients of Adderall are 25 % levoamphetamine salts ( the levorotary or ` left-handed ' enantiomer ) and 75 % dextroamphetamine salts ( the dextrorotary or ` right-handed ' enantiomer ) . Adderall 's active ingredient , amphetamine , shares many chemical and pharmacological properties with the human trace amines , particularly phenethylamine and , the latter of which is a positional isomer of amphetamine .
Hypothesis: Adderall's active ingredient is pear.
Label: CONTRADICTION