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

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

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