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

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

*GRAMMAR*
dax -> GREEN 
 wif -> RED 
 blicket -> BLUE 
 gazzer -> YELLOW 
 x1 tufa -> [x1] [x1] 
 x1 fep x2 -> [x2] [x2] [x1] 
 u1 zup u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 