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

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

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