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

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

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