*SUPPORT*
IN: zup fep gazzer tufa OUT: PURPLE GREEN PINK
IN: tufa blicket dax OUT: GREEN RED GREEN
IN: fep gazzer zup OUT: PURPLE PINK
IN: fep blicket zup OUT: PINK PURPLE PINK
IN: dax kiki OUT: RED RED
IN: zup blicket dax OUT: PURPLE RED PURPLE
IN: zup zup OUT: PURPLE PURPLE
IN: dax blicket tufa OUT: RED GREEN RED
IN: dax OUT: RED
IN: zup zup kiki OUT: PURPLE PURPLE PURPLE
IN: zup blicket fep OUT: PURPLE PINK PURPLE
IN: dax zup gazzer dax OUT: RED RED PURPLE
IN: tufa kiki OUT: GREEN GREEN
IN: tufa blicket fep OUT: GREEN PINK GREEN

*QUERY*
IN: tufa gazzer fep OUT: PINK GREEN
IN: fep kiki OUT: PINK PINK
IN: dax zup fep blicket zup OUT: RED PURPLE PINK PURPLE PINK
IN: zup OUT: PURPLE
IN: zup kiki OUT: PURPLE PURPLE
IN: fep tufa kiki OUT: PINK GREEN GREEN
IN: dax dax blicket dax OUT: RED RED RED RED
IN: dax tufa gazzer fep OUT: RED PINK GREEN
IN: zup dax blicket fep OUT: PURPLE RED PINK RED
IN: dax blicket dax OUT: RED RED RED

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