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

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

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