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

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

*GRAMMAR*
zup -> PURPLE 
 gazzer -> GREEN 
 tufa -> RED 
 fep -> BLUE 
 x1 blicket x2 -> [x1] [x1] [x2] 
 x1 dax -> [x1] [x1] 
 u1 lug x1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 