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

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

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