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

*QUERY*
IN: dax fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax zup fep OUT: YELLOW BLUE BLUE BLUE BLUE
IN: gazzer blicket gazzer OUT: GREEN GREEN
IN: zup blicket zup OUT: BLUE BLUE
IN: gazzer OUT: GREEN
IN: dax blicket wif OUT: PINK YELLOW
IN: zup blicket wif OUT: PINK BLUE
IN: zup gazzer OUT: BLUE GREEN
IN: gazzer wif fep OUT: GREEN PINK PINK PINK PINK
IN: dax dax blicket zup OUT: YELLOW BLUE YELLOW

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