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

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

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