*SUPPORT*
IN: zup dax lug fep OUT: RED PINK GREEN PINK PINK
IN: fep dax OUT: PINK GREEN
IN: zup kiki OUT: RED RED
IN: zup tufa OUT: RED YELLOW
IN: fep fep kiki OUT: PINK PINK PINK PINK
IN: tufa tufa lug tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax OUT: GREEN
IN: zup fep tufa OUT: RED PINK YELLOW
IN: zup OUT: RED
IN: fep kiki OUT: PINK PINK
IN: tufa kiki OUT: YELLOW YELLOW
IN: zup gazzer dax fep OUT: GREEN PINK RED
IN: dax zup kiki kiki OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: dax lug zup kiki OUT: RED RED GREEN RED RED RED RED

*QUERY*
IN: zup lug zup dax OUT: RED GREEN RED RED GREEN RED GREEN
IN: tufa dax OUT: YELLOW GREEN
IN: dax dax kiki OUT: GREEN GREEN GREEN GREEN
IN: fep OUT: PINK
IN: zup lug tufa OUT: YELLOW RED YELLOW YELLOW
IN: tufa lug dax OUT: GREEN YELLOW GREEN GREEN
IN: fep lug zup OUT: RED PINK RED RED
IN: tufa OUT: YELLOW
IN: dax lug tufa OUT: YELLOW GREEN YELLOW YELLOW
IN: tufa gazzer zup lug zup OUT: RED RED RED RED YELLOW

*GRAMMAR*
dax -> GREEN 
 zup -> RED 
 tufa -> YELLOW 
 fep -> PINK 
 u1 lug x1 -> [x1] [u1] [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 