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

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

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