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

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

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