*SUPPORT*
IN: fep gazzer tufa OUT: BLUE RED
IN: fep blicket tufa OUT: BLUE RED BLUE
IN: zup blicket zup OUT: YELLOW YELLOW YELLOW
IN: tufa blicket lug OUT: RED PURPLE RED
IN: lug blicket zup OUT: PURPLE YELLOW PURPLE
IN: tufa gazzer zup gazzer zup dax tufa OUT: RED YELLOW RED RED YELLOW
IN: fep lug OUT: BLUE PURPLE
IN: fep gazzer lug dax tufa OUT: BLUE RED RED PURPLE
IN: zup fep lug OUT: YELLOW BLUE PURPLE
IN: fep OUT: BLUE
IN: fep gazzer tufa zup blicket zup OUT: BLUE RED YELLOW YELLOW YELLOW
IN: fep gazzer fep tufa dax tufa OUT: BLUE BLUE RED RED RED
IN: tufa zup blicket zup OUT: RED YELLOW YELLOW YELLOW
IN: fep gazzer fep OUT: BLUE BLUE

*QUERY*
IN: fep blicket lug OUT: BLUE PURPLE BLUE
IN: zup OUT: YELLOW
IN: tufa tufa dax tufa OUT: RED RED RED RED
IN: lug OUT: PURPLE
IN: tufa OUT: RED
IN: zup blicket fep OUT: YELLOW BLUE YELLOW
IN: fep dax fep OUT: BLUE BLUE BLUE
IN: lug lug zup fep blicket lug OUT: PURPLE PURPLE YELLOW BLUE PURPLE BLUE
IN: lug tufa blicket fep OUT: PURPLE RED BLUE RED
IN: lug blicket fep OUT: PURPLE BLUE PURPLE

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