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

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

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