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

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

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