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

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

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