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

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

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