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

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

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