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

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

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