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

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

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