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

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

*GRAMMAR*
fep -> PURPLE 
 zup -> BLUE 
 tufa -> PINK 
 dax -> GREEN 
 x1 lug x2 -> [x1] [x2] 
 x1 blicket u1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 