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

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

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