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

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

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