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

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

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