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

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

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