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

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

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