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

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

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