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

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

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