*SUPPORT*
IN: tufa wif wif OUT: RED RED RED RED
IN: fep wif OUT: PURPLE PURPLE
IN: lug dax lug kiki OUT: BLUE YELLOW BLUE BLUE YELLOW BLUE
IN: tufa gazzer dax OUT: RED YELLOW YELLOW
IN: tufa wif OUT: RED RED
IN: tufa kiki OUT: RED RED
IN: tufa dax kiki OUT: RED YELLOW RED YELLOW
IN: fep tufa OUT: PURPLE RED
IN: dax kiki OUT: YELLOW YELLOW
IN: lug tufa OUT: BLUE RED
IN: dax tufa gazzer fep OUT: YELLOW RED PURPLE PURPLE
IN: fep gazzer fep OUT: PURPLE PURPLE PURPLE
IN: tufa OUT: RED
IN: lug wif OUT: BLUE BLUE

*QUERY*
IN: lug gazzer dax lug OUT: BLUE YELLOW BLUE YELLOW BLUE
IN: lug kiki kiki kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax wif OUT: YELLOW YELLOW
IN: lug kiki OUT: BLUE BLUE
IN: fep OUT: PURPLE
IN: lug gazzer tufa lug OUT: BLUE RED BLUE RED BLUE
IN: lug dax OUT: BLUE YELLOW
IN: lug OUT: BLUE
IN: dax OUT: YELLOW
IN: fep kiki kiki OUT: PURPLE PURPLE PURPLE PURPLE

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