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

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

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