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

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

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