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

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

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