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

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

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