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

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

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