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

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

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