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

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

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