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

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

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