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

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

*GRAMMAR*
zup -> GREEN 
 wif -> PINK 
 dax -> RED 
 fep -> PURPLE 
 u1 blicket u2 -> [u1] [u2] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 