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

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

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