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

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

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