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

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

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