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

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

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