*SUPPORT*
IN: wif wif dax OUT: PURPLE PURPLE PURPLE
IN: gazzer fep wif dax OUT: YELLOW RED PURPLE PURPLE
IN: kiki dax zup fep OUT: RED BLUE BLUE RED BLUE BLUE
IN: kiki OUT: BLUE
IN: gazzer blicket gazzer OUT: YELLOW YELLOW
IN: fep OUT: RED
IN: kiki gazzer OUT: BLUE YELLOW
IN: gazzer zup kiki blicket wif OUT: PURPLE BLUE YELLOW PURPLE BLUE YELLOW
IN: fep dax OUT: RED RED
IN: gazzer blicket fep OUT: RED YELLOW
IN: kiki dax OUT: BLUE BLUE
IN: wif blicket fep OUT: RED PURPLE
IN: fep gazzer zup kiki dax OUT: BLUE BLUE RED YELLOW BLUE BLUE RED YELLOW
IN: gazzer OUT: YELLOW

*QUERY*
IN: wif dax OUT: PURPLE PURPLE
IN: wif fep dax OUT: PURPLE RED RED
IN: wif gazzer blicket wif OUT: PURPLE PURPLE YELLOW
IN: gazzer blicket kiki OUT: BLUE YELLOW
IN: kiki blicket kiki OUT: BLUE BLUE
IN: fep blicket wif OUT: PURPLE RED
IN: wif blicket kiki OUT: BLUE PURPLE
IN: fep dax zup wif OUT: PURPLE RED RED PURPLE RED RED
IN: gazzer dax OUT: YELLOW YELLOW
IN: fep blicket gazzer OUT: YELLOW RED

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