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

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

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