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

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

*GRAMMAR*
tufa -> PURPLE 
 wif -> YELLOW 
 fep -> RED 
 gazzer -> BLUE 
 x1 blicket x2 -> [x1] [x2] 
 u1 dax -> [u1] [u1] 
 x1 zup -> [x1] [x1] [x1] [x1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 