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

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

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