▁THE ▁R ED ▁C UB E , ▁T W O ▁L AR GE ▁G RE EN ▁C UB ES ▁AND ▁A ▁L AR GE ▁R ED ▁B LOCK . ▁Person : ▁Put ▁the ▁blue ▁py ram id ▁on ▁the ▁block ▁in ▁the ▁box . ▁Computer : ▁OK . ▁Person : ▁Is ▁there ▁anything ▁which ▁is ▁bigger ▁than ▁every ▁py ram id ▁but ▁is ▁not ▁as ▁wide ▁as ▁the ▁thing ▁that ▁supports ▁it ? ▁Computer : ▁YES , ▁THE ▁B L UE ▁B LOCK . ▁Person : ▁Does ▁a ▁ste e ple ▁Computer ▁( inter rupt ing ): ▁S OR RY , ▁I ▁D ON ' T ▁K NO W ▁THE ▁W ORD ▁" ST E EP LE ". ▁Person : ▁A ▁" ste e ple " ▁is ▁a ▁stack ▁which ▁contains ▁two ▁green ▁cub es ▁and ▁a ▁py ram id . ▁Computer : ▁I ▁U ND ER ST AND . ▁Person : ▁Are ▁there ▁any ▁ste e ples ▁now ? ▁Computer : ▁NO . ▁Person : ▁Build ▁one . ▁Computer : ▁OK . ▁Person : ▁Call ▁the ▁biggest ▁block ▁" super block ". ▁Computer : ▁OK . ▁Person : ▁Have ▁you ▁picked ▁super block ▁up ▁since ▁we ▁began ? ▁Computer : ▁YES . ▁Person : ▁Why ▁did ▁you ▁drop ▁it ? ▁Computer : ▁BY ▁" IT ", ▁I ▁A SS U ME ▁Y OU ▁ME AN ▁THE ▁S UP ER B LOCK . ▁I ▁C AN ' T ▁EX P LA IN ▁A ▁N ON - EX IST ENT ▁E V ENT .