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

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

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