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

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

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