*SUPPORT*
IN: dax fep tufa OUT: YELLOW PURPLE
IN: zup OUT: GREEN
IN: tufa fep kiki OUT: RED YELLOW
IN: dax fep kiki OUT: RED PURPLE
IN: tufa kiki lug OUT: YELLOW RED RED RED
IN: zup fep dax OUT: PURPLE GREEN
IN: kiki fep zup OUT: GREEN RED
IN: tufa lug OUT: YELLOW YELLOW YELLOW
IN: kiki lug OUT: RED RED RED
IN: zup zup OUT: GREEN GREEN
IN: dax fep kiki blicket zup fep kiki OUT: RED GREEN RED PURPLE RED PURPLE
IN: kiki fep tufa OUT: YELLOW RED
IN: kiki fep dax blicket kiki lug OUT: RED RED RED PURPLE RED PURPLE RED
IN: dax fep dax blicket dax lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE

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

*GRAMMAR*
dax -> PURPLE 
 kiki -> RED 
 tufa -> YELLOW 
 zup -> GREEN 
 u1 fep u2 -> [u2] [u1] 
 x1 blicket x2 -> [x2] [x1] [x1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 