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

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

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