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

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

*GRAMMAR*
lug -> RED 
 tufa -> PURPLE 
 gazzer -> GREEN 
 kiki -> BLUE 
 u1 blicket u2 -> [u1] [u1] [u2] [u2] 
 u1 zup u2 -> [u1] [u1] [u2] [u1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 