*SUPPORT*
IN: zup OUT: PURPLE
IN: tufa kiki lug kiki blicket fep OUT: RED BLUE GREEN GREEN
IN: fep zup lug zup OUT: RED PURPLE PURPLE
IN: tufa lug kiki OUT: BLUE GREEN
IN: fep dax OUT: RED RED
IN: kiki dax OUT: GREEN GREEN
IN: fep blicket tufa dax OUT: BLUE BLUE RED
IN: zup kiki OUT: PURPLE GREEN
IN: kiki lug tufa blicket zup lug kiki OUT: PURPLE GREEN GREEN BLUE
IN: fep OUT: RED
IN: tufa blicket kiki OUT: GREEN BLUE
IN: kiki OUT: GREEN
IN: tufa zup lug fep blicket tufa OUT: BLUE BLUE PURPLE RED
IN: kiki blicket kiki zup lug fep OUT: GREEN PURPLE RED GREEN

*QUERY*
IN: zup dax OUT: PURPLE PURPLE
IN: kiki blicket fep OUT: RED GREEN
IN: kiki lug zup OUT: GREEN PURPLE
IN: fep kiki dax OUT: RED GREEN GREEN
IN: tufa lug fep OUT: BLUE RED
IN: tufa dax OUT: BLUE BLUE
IN: zup kiki lug zup OUT: PURPLE GREEN PURPLE
IN: tufa OUT: BLUE
IN: zup kiki zup tufa blicket zup tufa OUT: PURPLE BLUE PURPLE GREEN PURPLE BLUE
IN: zup lug zup OUT: PURPLE PURPLE

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