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

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

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