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

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

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