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

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

*GRAMMAR*
lug -> PURPLE 
 dax -> RED 
 fep -> BLUE 
 kiki -> GREEN 
 x1 tufa x2 -> [x1] [x2] 
 u1 blicket u2 -> [u2] [u1] 
 x1 zup u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 