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

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

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