*SUPPORT*
IN: dax kiki lug OUT: RED BLUE
IN: zup gazzer fep gazzer OUT: GREEN PINK PINK PINK
IN: dax OUT: RED
IN: gazzer OUT: PINK
IN: gazzer zup fep zup gazzer OUT: PINK GREEN PINK GREEN PINK GREEN
IN: dax kiki gazzer OUT: RED PINK
IN: zup kiki gazzer OUT: GREEN PINK
IN: gazzer kiki dax OUT: PINK RED
IN: gazzer fep gazzer kiki zup OUT: PINK GREEN PINK GREEN PINK
IN: lug kiki zup OUT: BLUE GREEN
IN: dax gazzer kiki zup OUT: RED PINK GREEN
IN: zup fep gazzer wif OUT: PINK PINK PINK PINK PINK PINK GREEN
IN: lug kiki gazzer OUT: BLUE PINK
IN: gazzer kiki zup OUT: PINK GREEN

*QUERY*
IN: lug wif OUT: BLUE BLUE BLUE
IN: dax kiki dax OUT: RED RED
IN: lug fep gazzer kiki dax OUT: PINK RED PINK RED BLUE
IN: lug OUT: BLUE
IN: zup OUT: GREEN
IN: dax gazzer kiki dax OUT: RED PINK RED
IN: lug dax OUT: BLUE RED
IN: zup fep dax OUT: RED RED GREEN
IN: dax kiki lug wif OUT: RED BLUE RED BLUE RED BLUE
IN: gazzer fep lug kiki zup OUT: BLUE GREEN BLUE GREEN PINK

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