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

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

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