▁Person : ▁Is ▁there ▁anything ▁to ▁the ▁right ▁of ▁the ▁red ▁py ram id ? ▁Computer : ▁YES , ▁FO UR ▁TH ING S : ▁THE ▁BO X ▁, ▁THE ▁R ED ▁C UB E , ▁THE ▁B L UE ▁P Y RAM ID ▁AND ▁THE ▁B LOCK ▁NAME D ▁S UP ER B LOCK ▁Person : ▁Thank ▁you . ▁Computer : ▁Y OU ' RE ▁W EL CO ME ! ▁ ▁Con sequ ences ▁S HR DL U ▁was ▁considered ▁a ▁trem end ously ▁successful ▁demonstr ation ▁of ▁A I . ▁This ▁led ▁other ▁A I ▁research ers ▁to ▁excess ive ▁optim ism ▁which ▁was ▁soon ▁lost ▁when ▁later ▁systems ▁attempted ▁to ▁deal ▁with ▁situations ▁with ▁a ▁more ▁real istic ▁level ▁of ▁ambigu ity ▁and ▁complexity . ▁Sub sequ ent ▁efforts ▁of ▁the ▁S HR DL U ▁type , ▁such ▁as ▁Cy c , ▁have ▁t ended ▁to ▁focus ▁on ▁providing ▁the ▁program ▁with ▁consider ably ▁more ▁information ▁from ▁which ▁it ▁can ▁draw ▁conclus ions . ▁ ▁Though ▁not ▁intention ally ▁developed ▁as ▁such , ▁S HR DL U ▁is ▁considered ▁the ▁first ▁known ▁formal ▁example ▁of ▁interactive ▁fiction , ▁as ▁the ▁user ▁interact s ▁with ▁simple ▁commands ▁to ▁move ▁objects ▁around ▁a ▁virtual ▁environment , ▁though ▁lack ing ▁the ▁distinct ▁story - t elling ▁normally ▁present ▁in ▁interactive ▁fiction . ▁The ▁ 1 9 7 6 - 1 9 7 7 ▁game ▁Col oss al ▁C ave ▁Advent ure ▁is ▁broad ly ▁considered ▁to ▁be ▁the ▁first ▁true ▁work ▁of ▁interactive