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

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

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