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

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

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