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

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

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