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

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

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