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

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

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