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

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

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