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

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

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