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

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

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