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

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

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