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

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

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