*SUPPORT*
IN: tufa zup OUT: RED YELLOW
IN: tufa tufa fep wif OUT: RED GREEN RED
IN: zup fep gazzer fep zup zup OUT: YELLOW YELLOW PURPLE YELLOW
IN: gazzer kiki OUT: PURPLE PURPLE
IN: zup zup gazzer fep gazzer dax OUT: YELLOW YELLOW PURPLE PURPLE YELLOW YELLOW PURPLE PURPLE
IN: tufa zup fep zup kiki OUT: RED YELLOW YELLOW YELLOW
IN: tufa fep tufa OUT: RED RED
IN: gazzer dax OUT: PURPLE PURPLE
IN: wif OUT: GREEN
IN: gazzer fep tufa fep gazzer OUT: PURPLE RED PURPLE
IN: tufa fep zup dax dax OUT: YELLOW YELLOW YELLOW YELLOW RED
IN: zup dax OUT: YELLOW YELLOW
IN: zup kiki dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup zup fep gazzer OUT: YELLOW PURPLE YELLOW

*QUERY*
IN: gazzer kiki dax dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup OUT: YELLOW
IN: zup tufa OUT: YELLOW RED
IN: gazzer fep tufa kiki dax OUT: RED RED RED RED PURPLE
IN: tufa kiki dax OUT: RED RED RED RED
IN: wif kiki OUT: GREEN GREEN
IN: zup zup OUT: YELLOW YELLOW
IN: zup fep gazzer kiki OUT: PURPLE PURPLE YELLOW
IN: tufa OUT: RED
IN: zup kiki OUT: YELLOW YELLOW

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