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

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

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