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

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

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