*SUPPORT*
IN: fep kiki fep OUT: BLUE BLUE
IN: tufa dax gazzer tufa OUT: GREEN PINK GREEN GREEN PINK
IN: fep OUT: BLUE
IN: lug OUT: RED
IN: lug kiki tufa OUT: RED GREEN
IN: dax fep blicket dax gazzer lug OUT: PINK RED RED PINK PINK BLUE PINK BLUE
IN: tufa gazzer fep OUT: GREEN BLUE BLUE GREEN
IN: dax OUT: PINK
IN: tufa lug OUT: GREEN RED
IN: dax dax kiki dax OUT: PINK PINK PINK
IN: fep gazzer dax OUT: BLUE PINK PINK BLUE
IN: tufa OUT: GREEN
IN: tufa gazzer lug OUT: GREEN RED RED GREEN
IN: fep kiki lug OUT: BLUE RED

*QUERY*
IN: dax lug kiki dax OUT: PINK RED PINK
IN: fep lug kiki fep OUT: BLUE RED BLUE
IN: tufa fep dax fep dax kiki tufa OUT: GREEN BLUE PINK BLUE PINK GREEN
IN: lug gazzer dax OUT: RED PINK PINK RED
IN: fep fep kiki dax OUT: BLUE BLUE PINK
IN: lug kiki lug OUT: RED RED
IN: dax kiki tufa blicket lug gazzer lug OUT: RED RED RED RED PINK GREEN PINK GREEN
IN: dax kiki tufa OUT: PINK GREEN
IN: dax kiki fep blicket fep kiki tufa OUT: BLUE GREEN PINK BLUE PINK BLUE
IN: tufa kiki tufa OUT: GREEN GREEN

*GRAMMAR*
tufa -> GREEN 
 fep -> BLUE 
 lug -> RED 
 dax -> PINK 
 x1 blicket x2 -> [x2] [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 gazzer u2 -> [u1] [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 