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

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

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