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

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

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