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

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

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