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

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

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