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

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

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