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

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

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