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

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

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