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

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

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