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

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

*GRAMMAR*
wif -> PURPLE 
 dax -> GREEN 
 fep -> RED 
 gazzer -> BLUE 
 x1 kiki x2 -> [x1] [x2] 
 u1 lug u2 -> [u2] [u2] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 