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

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

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