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

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

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