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

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

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