*SUPPORT*
IN: lug kiki OUT: RED RED
IN: lug lug dax tufa OUT: RED BLUE RED RED BLUE
IN: zup gazzer zup dax lug OUT: GREEN YELLOW RED GREEN GREEN RED
IN: lug gazzer kiki OUT: RED YELLOW YELLOW
IN: gazzer OUT: YELLOW
IN: tufa tufa fep OUT: BLUE BLUE BLUE BLUE
IN: gazzer tufa kiki OUT: YELLOW BLUE BLUE
IN: lug OUT: RED
IN: tufa fep OUT: BLUE BLUE BLUE
IN: gazzer dax lug OUT: RED YELLOW YELLOW RED
IN: lug lug lug dax zup OUT: RED RED GREEN RED RED GREEN
IN: gazzer dax gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa tufa OUT: BLUE BLUE
IN: gazzer kiki OUT: YELLOW YELLOW

*QUERY*
IN: gazzer fep OUT: YELLOW YELLOW YELLOW
IN: zup dax tufa OUT: BLUE GREEN GREEN BLUE
IN: zup OUT: GREEN
IN: gazzer zup fep OUT: YELLOW GREEN GREEN GREEN
IN: zup kiki OUT: GREEN GREEN
IN: tufa kiki OUT: BLUE BLUE
IN: tufa OUT: BLUE
IN: zup dax lug OUT: RED GREEN GREEN RED
IN: lug fep OUT: RED RED RED
IN: zup zup OUT: GREEN GREEN

*GRAMMAR*
tufa -> BLUE 
 gazzer -> YELLOW 
 zup -> GREEN 
 lug -> RED 
 u1 dax u2 -> [u2] [u1] [u1] [u2] 
 u1 fep -> [u1] [u1] [u1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 