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

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

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