*SUPPORT*
IN: gazzer OUT: PURPLE
IN: lug lug dax OUT: RED RED RED
IN: lug tufa tufa OUT: RED YELLOW YELLOW
IN: tufa OUT: YELLOW
IN: wif dax OUT: BLUE BLUE
IN: lug wif dax OUT: RED BLUE BLUE
IN: tufa fep gazzer dax OUT: YELLOW PURPLE PURPLE
IN: tufa wif OUT: YELLOW BLUE
IN: lug lug tufa dax OUT: RED RED YELLOW YELLOW
IN: lug zup wif OUT: BLUE RED
IN: wif wif dax zup lug zup gazzer OUT: PURPLE RED BLUE BLUE BLUE
IN: gazzer fep tufa tufa dax zup gazzer OUT: PURPLE PURPLE YELLOW YELLOW YELLOW
IN: gazzer dax OUT: PURPLE PURPLE
IN: lug tufa tufa fep wif dax OUT: RED YELLOW YELLOW BLUE BLUE

*QUERY*
IN: tufa fep wif dax OUT: YELLOW BLUE BLUE
IN: wif OUT: BLUE
IN: tufa dax OUT: YELLOW YELLOW
IN: gazzer zup lug OUT: RED PURPLE
IN: gazzer fep gazzer OUT: PURPLE PURPLE
IN: gazzer tufa dax OUT: PURPLE YELLOW YELLOW
IN: tufa fep gazzer OUT: YELLOW PURPLE
IN: lug dax OUT: RED RED
IN: lug fep wif fep wif tufa OUT: RED BLUE BLUE YELLOW
IN: gazzer fep lug OUT: PURPLE RED

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