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

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

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