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

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

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