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

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

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