*SUPPORT*
IN: wif wif zup wif OUT: PURPLE PURPLE PURPLE
IN: dax zup wif OUT: PURPLE GREEN
IN: wif gazzer wif OUT: PURPLE PURPLE
IN: fep wif OUT: BLUE PURPLE
IN: dax gazzer wif OUT: PURPLE GREEN
IN: lug zup dax OUT: GREEN RED
IN: wif zup dax OUT: GREEN PURPLE
IN: lug wif zup lug OUT: RED RED PURPLE
IN: lug fep gazzer wif OUT: RED PURPLE BLUE
IN: dax OUT: GREEN
IN: wif wif dax zup wif OUT: PURPLE PURPLE PURPLE GREEN
IN: lug gazzer fep kiki OUT: BLUE RED BLUE RED
IN: fep gazzer fep kiki kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: PURPLE

*QUERY*
IN: lug OUT: RED
IN: fep dax fep kiki OUT: BLUE GREEN BLUE BLUE GREEN BLUE
IN: fep OUT: BLUE
IN: lug gazzer wif OUT: PURPLE RED
IN: fep zup fep OUT: BLUE BLUE
IN: wif zup fep OUT: BLUE PURPLE
IN: fep zup wif OUT: PURPLE BLUE
IN: wif gazzer fep OUT: BLUE PURPLE
IN: wif gazzer lug OUT: RED PURPLE
IN: lug gazzer fep OUT: BLUE RED

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