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

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

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