*SUPPORT*
IN: zup OUT: GREEN
IN: zup gazzer OUT: GREEN PINK
IN: gazzer lug zup OUT: GREEN PINK
IN: gazzer gazzer kiki OUT: PINK PINK PINK PINK
IN: dax OUT: RED
IN: dax lug tufa OUT: YELLOW RED
IN: dax lug zup fep OUT: GREEN RED GREEN RED
IN: gazzer lug dax OUT: RED PINK
IN: zup kiki OUT: GREEN GREEN GREEN
IN: tufa kiki OUT: YELLOW YELLOW YELLOW
IN: zup lug zup OUT: GREEN GREEN
IN: dax lug gazzer OUT: PINK RED
IN: gazzer OUT: PINK
IN: tufa dax OUT: YELLOW RED

*QUERY*
IN: gazzer kiki OUT: PINK PINK PINK
IN: tufa kiki fep OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup kiki fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa gazzer gazzer lug gazzer OUT: YELLOW PINK PINK PINK
IN: dax zup fep fep OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: dax kiki fep OUT: RED RED RED RED RED RED
IN: zup lug gazzer fep OUT: PINK GREEN PINK GREEN
IN: tufa zup lug zup OUT: YELLOW GREEN GREEN
IN: zup dax kiki OUT: GREEN RED RED RED
IN: gazzer kiki fep OUT: PINK PINK PINK PINK PINK PINK

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