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

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

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