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

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

*GRAMMAR*
blicket -> BLUE 
 wif -> PURPLE 
 gazzer -> YELLOW 
 lug -> RED 
 x1 tufa x2 -> [x1] [x2] [x1] 
 x1 dax -> [x1] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 