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

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

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