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

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

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