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

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

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