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

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

*GRAMMAR*
gazzer -> BLUE 
 wif -> PINK 
 fep -> RED 
 dax -> GREEN 
 x1 zup x2 -> [x1] [x2] 
 u1 blicket u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 