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

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

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