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

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

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