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

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

*GRAMMAR*
dax -> BLUE 
 gazzer -> YELLOW 
 zup -> RED 
 wif -> GREEN 
 u1 fep u2 -> [u2] [u1] [u1] [u2] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 blicket u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 