*SUPPORT*
IN: tufa blicket tufa OUT: GREEN GREEN
IN: fep dax lug tufa OUT: PINK GREEN PURPLE PURPLE GREEN
IN: tufa blicket dax OUT: PURPLE GREEN
IN: tufa dax lug fep OUT: GREEN PINK PURPLE PURPLE PINK
IN: tufa OUT: GREEN
IN: dax OUT: PURPLE
IN: dax zup OUT: PURPLE BLUE
IN: fep blicket tufa OUT: GREEN PINK
IN: zup OUT: BLUE
IN: zup lug dax OUT: PURPLE BLUE BLUE PURPLE
IN: fep OUT: PINK
IN: dax wif OUT: PURPLE PURPLE PURPLE
IN: tufa lug fep OUT: PINK GREEN GREEN PINK
IN: tufa tufa OUT: GREEN GREEN

*QUERY*
IN: dax lug zup OUT: BLUE PURPLE PURPLE BLUE
IN: dax blicket zup wif OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: tufa tufa lug tufa OUT: GREEN GREEN GREEN GREEN GREEN
IN: fep lug fep OUT: PINK PINK PINK PINK
IN: tufa lug dax OUT: PURPLE GREEN GREEN PURPLE
IN: fep lug tufa OUT: GREEN PINK PINK GREEN
IN: fep lug dax OUT: PURPLE PINK PINK PURPLE
IN: tufa blicket zup OUT: BLUE GREEN
IN: zup blicket tufa OUT: GREEN BLUE
IN: fep blicket dax OUT: PURPLE PINK

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