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

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

*GRAMMAR*
fep -> BLUE 
 zup -> GREEN 
 lug -> RED 
 wif -> PURPLE 
 u1 blicket u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] [u1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 