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

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

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