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

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

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