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

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

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