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

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

*GRAMMAR*
lug -> GREEN 
 kiki -> YELLOW 
 dax -> PURPLE 
 fep -> BLUE 
 x1 tufa x2 -> [x2] [x1] 
 x1 wif -> [x1] [x1] [x1] 
 u1 zup u2 -> [u2] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 