If I am a father in the story, they decide to remove the bridge down, because there are so many people train must sacrifice to most people. You will regret it, even though its own eyes.
If I were a father in I decide to take the bridge down. Since many people train Must sacrifice for most people. Although the eye itself will regret it.
If I were you on the subject. It will decide to take the bridge. Because the train is a lot of people. Sacrifice to most people, even myself to regret it.