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

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

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