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

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

*GRAMMAR*
tufa -> GREEN 
 zup -> YELLOW 
 fep -> BLUE 
 kiki -> PURPLE 
 x1 wif x2 -> [x2] [x1] 
 x1 dax u1 -> [u1] [x1] 
 x1 lug u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 