*SUPPORT*
IN: gazzer dax dax blicket dax kiki wif OUT: BLUE PINK BLUE BLUE PURPLE
IN: wif gazzer blicket wif blicket gazzer blicket dax OUT: BLUE PINK PURPLE PURPLE PINK
IN: wif blicket wif kiki wif OUT: PURPLE PURPLE PURPLE
IN: wif tufa wif OUT: PURPLE PURPLE PURPLE
IN: wif kiki lug OUT: PURPLE YELLOW
IN: lug gazzer kiki wif blicket dax OUT: BLUE YELLOW PINK PURPLE
IN: wif blicket gazzer kiki dax OUT: PINK PURPLE BLUE
IN: wif tufa dax kiki wif OUT: BLUE PURPLE PURPLE PURPLE
IN: wif wif kiki dax kiki wif OUT: PURPLE PURPLE BLUE PURPLE
IN: gazzer wif OUT: PINK PURPLE
IN: gazzer blicket wif OUT: PURPLE PINK
IN: dax lug OUT: BLUE YELLOW
IN: lug OUT: YELLOW
IN: wif blicket lug kiki dax kiki wif OUT: YELLOW PURPLE BLUE PURPLE

*QUERY*
IN: dax tufa wif kiki dax OUT: PURPLE BLUE BLUE BLUE
IN: lug gazzer wif blicket gazzer OUT: PINK YELLOW PINK PURPLE
IN: wif OUT: PURPLE
IN: lug blicket gazzer OUT: PINK YELLOW
IN: lug lug blicket gazzer OUT: PINK YELLOW YELLOW
IN: lug kiki lug OUT: YELLOW YELLOW
IN: gazzer OUT: PINK
IN: wif blicket gazzer OUT: PINK PURPLE
IN: lug kiki gazzer OUT: YELLOW PINK
IN: dax lug blicket dax OUT: BLUE BLUE YELLOW

*GRAMMAR*
lug -> YELLOW 
 wif -> PURPLE 
 dax -> BLUE 
 gazzer -> PINK 
 x1 tufa x2 -> [x2] [x1] [x1] 
 x1 kiki u1 -> [x1] [u1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 