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

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

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