#old-style (operator LOAD-TRUCK (params ( OBJECT) ( TRUCK) ( LOCATION)) (preconds (at ) (at )) (effects (in ) (at ))) (operator LOAD-AIRPLANE (params ( OBJECT) ( AIRPLANE) ( LOCATION)) (preconds (at ) (at )) (effects (in ) (at ))) (operator UNLOAD-TRUCK (params ( OBJECT) ( TRUCK) ( LOCATION)) (preconds (at ) (in )) (effects (at ) (at ))) (operator UNLOAD-AIRPLANE (params ( OBJECT) ( AIRPLANE) ( LOCATION)) (preconds (in ) (at )) (effects (at ) (at ))) (operator DRIVE-TRUCK (params ( TRUCK) ( LOCATION) ( LOCATION) ( CITY)) (preconds (at ) (loc-at ) (loc-at )) (effects (at ) (loc-at ) (loc-at ))) (operator FLY-AIRPLANE (params ( AIRPLANE) ( AIRPORT) ( AIRPORT)) (preconds (at )) (effects (at )))