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

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

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