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

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

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