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

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

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