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

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

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