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

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

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