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

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

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