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

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

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