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

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

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