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

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

*GRAMMAR*
fep -> GREEN 
 lug -> PINK 
 dax -> RED 
 kiki -> BLUE 
 x1 gazzer x2 -> [x1] [x2] [x1] 
 x1 zup x2 -> [x1] [x2] 
 x1 tufa -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 