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

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

*GRAMMAR*
zup -> PINK 
 kiki -> RED 
 dax -> YELLOW 
 fep -> BLUE 
 u1 lug -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 