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

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

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