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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> PINK 
 zup -> YELLOW 
 fep -> RED 
 x1 blicket x2 -> [x2] [x1] 
 u1 dax u2 -> [u1] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 