*SUPPORT*
IN: dax lug fep blicket fep OUT: GREEN GREEN PINK
IN: dax gazzer fep OUT: PINK GREEN PINK
IN: fep gazzer fep OUT: GREEN GREEN GREEN
IN: dax OUT: PINK
IN: kiki gazzer tufa OUT: YELLOW PURPLE YELLOW
IN: tufa dax OUT: PURPLE PINK
IN: kiki OUT: YELLOW
IN: tufa OUT: PURPLE
IN: tufa fep gazzer dax OUT: PURPLE GREEN PINK GREEN
IN: dax fep OUT: PINK GREEN
IN: dax blicket tufa fep OUT: PINK PURPLE GREEN
IN: tufa lug dax OUT: PINK PURPLE
IN: dax tufa blicket fep fep OUT: PINK PURPLE GREEN GREEN
IN: kiki gazzer dax OUT: YELLOW PINK YELLOW

*QUERY*
IN: tufa kiki gazzer tufa OUT: PURPLE YELLOW PURPLE YELLOW
IN: fep gazzer kiki OUT: GREEN YELLOW GREEN
IN: tufa tufa blicket tufa dax gazzer tufa OUT: PURPLE PURPLE PURPLE PINK PURPLE PINK
IN: fep OUT: GREEN
IN: dax gazzer kiki OUT: PINK YELLOW PINK
IN: dax lug dax gazzer fep OUT: PINK GREEN PINK PINK
IN: kiki blicket tufa dax OUT: YELLOW PURPLE PINK
IN: dax blicket tufa OUT: PINK PURPLE
IN: tufa blicket kiki OUT: PURPLE YELLOW
IN: fep kiki tufa blicket kiki OUT: GREEN YELLOW PURPLE YELLOW

*GRAMMAR*
fep -> GREEN 
 kiki -> YELLOW 
 dax -> PINK 
 tufa -> PURPLE 
 u1 blicket x1 -> [u1] [x1] 
 u1 gazzer u2 -> [u1] [u2] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 