*SUPPORT*
IN: tufa tufa OUT: GREEN GREEN
IN: tufa gazzer kiki OUT: GREEN PURPLE
IN: dax OUT: BLUE
IN: tufa blicket wif blicket tufa gazzer wif OUT: GREEN PINK GREEN PINK
IN: dax dax dax gazzer dax OUT: BLUE BLUE BLUE BLUE
IN: wif OUT: PINK
IN: tufa zup OUT: GREEN GREEN
IN: tufa blicket tufa gazzer dax OUT: GREEN GREEN BLUE
IN: kiki blicket kiki gazzer tufa OUT: PURPLE PURPLE GREEN
IN: kiki OUT: PURPLE
IN: tufa OUT: GREEN
IN: dax kiki gazzer tufa OUT: BLUE PURPLE GREEN
IN: tufa tufa gazzer dax OUT: GREEN GREEN BLUE
IN: kiki kiki blicket dax gazzer dax OUT: PURPLE PURPLE BLUE BLUE

*QUERY*
IN: wif gazzer wif OUT: PINK PINK
IN: tufa blicket kiki gazzer dax OUT: GREEN PURPLE BLUE
IN: wif wif kiki blicket dax OUT: PINK PINK PURPLE BLUE
IN: tufa gazzer dax OUT: GREEN BLUE
IN: dax zup OUT: BLUE BLUE
IN: dax gazzer tufa OUT: BLUE GREEN
IN: kiki gazzer wif OUT: PURPLE PINK
IN: wif zup OUT: PINK PINK
IN: dax blicket dax wif dax gazzer dax OUT: BLUE BLUE PINK BLUE BLUE
IN: wif gazzer kiki OUT: PINK PURPLE

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