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

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

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