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

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

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