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

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

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