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

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

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