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

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

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