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

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

*GRAMMAR*
dax -> PURPLE 
 wif -> PINK 
 zup -> RED 
 tufa -> BLUE 
 u1 gazzer -> [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 