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

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

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