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

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

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