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

*QUERY*
IN: fep OUT: PURPLE
IN: gazzer kiki fep OUT: PURPLE YELLOW
IN: fep gazzer lug zup gazzer OUT: YELLOW PURPLE YELLOW BLUE YELLOW
IN: dax zup lug gazzer blicket fep OUT: BLUE PURPLE YELLOW RED BLUE PURPLE YELLOW
IN: fep blicket dax OUT: RED PURPLE
IN: gazzer gazzer OUT: YELLOW YELLOW
IN: lug gazzer zup fep blicket fep OUT: PURPLE PURPLE BLUE YELLOW PURPLE PURPLE
IN: dax blicket lug OUT: BLUE RED
IN: fep kiki fep OUT: PURPLE PURPLE
IN: lug fep kiki gazzer OUT: BLUE YELLOW PURPLE

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