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

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

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