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

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

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