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

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

*GRAMMAR*
zup -> RED 
 fep -> GREEN 
 gazzer -> PINK 
 dax -> YELLOW 
 u1 kiki u2 -> [u2] [u1] 
 x1 tufa x2 -> [x1] [x1] [x2] 
 u1 lug x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 