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

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

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