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

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

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