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

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

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