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

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

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