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

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

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