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

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

*GRAMMAR*
tufa -> PURPLE 
 gazzer -> YELLOW 
 dax -> RED 
 wif -> BLUE 
 u1 fep -> [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 blicket x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 