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

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

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