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

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

*GRAMMAR*
lug -> GREEN 
 wif -> YELLOW 
 zup -> BLUE 
 kiki -> RED 
 u1 gazzer u2 -> [u1] [u2] 
 x1 fep -> [x1] [x1] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 