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

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

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