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

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

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