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

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

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