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

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

*GRAMMAR*
fep -> RED 
 wif -> PURPLE 
 dax -> BLUE 
 blicket -> GREEN 
 x1 lug x2 -> [x1] [x2] [x1] [x1] [x2] [x2] 
 u1 gazzer u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 