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

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

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