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

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

*GRAMMAR*
gazzer -> PINK 
 dax -> BLUE 
 kiki -> RED 
 lug -> PURPLE 
 u1 tufa u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] [u1] 
 x1 blicket u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 