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

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

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