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

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

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