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

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

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