Metallica vs Megadeth songs

Please give me your opinions. This one's a tough one, so you can put "both of them" and it will still be valid.

Master of Puppets vs Holy Wars… The Punishment Due

One vs Hangar 18

The Four Horsemen vs Mechanix

Enter Sandman vs Symphony of Destruction

Fight Fire With Fire vs Sweating Bullets

For Whom the Bell Tolls vs Reckoning Day

The Unforgiven vs A Tout Le Monde

Sad But True vs Train of Consequences