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

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

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