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

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

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