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

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

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