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

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

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