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

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

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