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

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

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