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

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

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