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

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

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