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

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

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