▁a ▁block ? ▁Computer : ▁YES . ▁Person : ▁Can ▁a ▁py ram id ▁support ▁a ▁py ram id ? ▁Computer : ▁I ▁D ON ' T ▁K NO W . ▁Person : ▁Stack ▁up ▁two ▁py ram ids . ▁Computer : ▁I ▁C AN ' T . ▁Person : ▁Will ▁you ▁please ▁stack ▁up ▁both ▁of ▁the ▁red ▁blocks ▁and ▁either ▁a ▁green ▁cube ▁or ▁a ▁py ram id ? ▁Computer : ▁OK . ▁Person : ▁Which ▁cube ▁is ▁sitting ▁on ▁the ▁table ? ▁Computer : ▁THE ▁L AR GE ▁G RE EN ▁ON E ▁WH IC H ▁S UP PORT S ▁THE ▁R ED ▁P Y RAM ID . ▁Person : ▁Is ▁there ▁a ▁large ▁block ▁behind ▁a ▁py ram id ? ▁Computer : ▁YES , ▁TH REE ▁OF ▁THE M : ▁A ▁L AR GE ▁R ED ▁ON E , ▁A ▁L AR GE ▁G RE EN ▁C UB E , ▁AND ▁THE ▁B L UE ▁ON E . ▁Person : ▁Put ▁a ▁small ▁one ▁onto ▁the ▁green ▁cube ▁which ▁supports ▁a ▁py ram id . ▁Computer : ▁OK . ▁Person : ▁Put ▁the ▁litt l est ▁py ram id ▁on ▁top ▁of ▁it . ▁Computer : ▁OK . ▁Person : ▁Does ▁the ▁short est ▁thing ▁the ▁tall est ▁py ram id ' s ▁support ▁supports ▁support ▁anything ▁green ? ▁Computer : ▁YES , ▁THE ▁G RE EN ▁P Y RAM ID . ▁Person : ▁What ▁color ▁is ▁it ? ▁Computer : ▁BY ▁" IT ", ▁I ▁A SS U