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

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

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