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

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

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