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

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

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