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

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

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