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

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

*GRAMMAR*
dax -> GREEN 
 lug -> BLUE 
 wif -> PURPLE 
 zup -> RED 
 x1 kiki u1 -> [x1] [x1] [u1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 x1 tufa u1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 