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

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

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