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

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

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