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

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

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