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

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

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