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

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

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