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

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

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