Shortly after the mistaken bombardment of the hospital began, MSF sent a signal to the United States government informing it that its facility was under aerial attack.

That sort of behavioral economics can transform people's behavior in a way that all the bullying and all the information and all the badgering from a government cannot possibly achieve.

Tom regrets what he did.

Tom regretted what he had done.

Tom regretted what he had done.

Tom regretted what he did.

Tom regretted what he did.

Tom talked about what had happened.

Tom regretted lying.

Tom said he regretted what had happened.

Tom said he regretted what had happened.

Did Tom say anything about what happened?

Did Tom say anything to you about what happened?

Tom said he regretted doing that.

Tom says he regrets doing that.

Tom says he regrets doing that.

Tom said he didn't regret what happened.

Tom said he didn't regret what happened.

Tom said that he didn't regret what happened.

Tom said that he didn't regret what happened.

I suspect Tom will probably regret what he did.

I suspect that Tom will probably regret what he did.

A reminder of what's to come?

What does Tom think of Mary?

What did Tom think of Mary?

What did Tom say about Mary?

Tom stumbled over something on the ground.

Tom lied about taking the money.

Tom doesn't know what happened.

I'm worried about Tom being alone.

Don't worry about what Tom thinks.

Tom thought about what Mary said.

Everyone's talking about what Tom did.

Did Tom tell you what happened?

Did Tom tell you what happened?

Tom told me about what he saw.

Tom told me about what had happened.

Tom doesn't know what's going to happen.

Tom is very sorry for what he said.

Tom knew Mary was lying.

Tom doesn't regret what he did.

Tom told Mary about what had happened.

Tom told Mary about what had happened.

Tom told everyone about what had happened.

Tom told everyone about what had happened.