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

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

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