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

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

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