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

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

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