*SUPPORT*
IN: tufa dax blicket fep dax blicket OUT: PURPLE BLUE GREEN BLUE GREEN PURPLE
IN: fep lug zup gazzer fep OUT: GREEN RED GREEN RED GREEN GREEN
IN: fep lug tufa OUT: PURPLE PURPLE GREEN GREEN
IN: zup OUT: RED
IN: fep tufa dax zup gazzer blicket OUT: GREEN PURPLE BLUE RED PURPLE
IN: tufa dax tufa gazzer tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup gazzer fep OUT: GREEN RED
IN: zup gazzer tufa OUT: PURPLE RED
IN: zup dax blicket gazzer zup OUT: RED RED BLUE RED
IN: zup fep fep blicket OUT: RED GREEN GREEN BLUE
IN: fep gazzer zup OUT: RED GREEN
IN: zup gazzer blicket OUT: BLUE RED
IN: fep fep fep gazzer blicket OUT: GREEN GREEN BLUE GREEN
IN: tufa OUT: PURPLE

*QUERY*
IN: blicket fep zup tufa dax zup OUT: BLUE GREEN RED PURPLE RED PURPLE
IN: fep OUT: GREEN
IN: fep gazzer tufa OUT: PURPLE GREEN
IN: blicket dax blicket gazzer zup OUT: BLUE RED BLUE BLUE
IN: tufa blicket fep blicket OUT: PURPLE BLUE GREEN BLUE
IN: blicket gazzer blicket OUT: BLUE BLUE
IN: zup zup dax fep dax fep gazzer blicket OUT: RED RED GREEN BLUE GREEN GREEN RED
IN: tufa tufa gazzer tufa OUT: PURPLE PURPLE PURPLE
IN: zup blicket gazzer tufa OUT: RED PURPLE BLUE
IN: blicket OUT: BLUE

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