Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

Now, he heads down a flight of stairs.
He gives someone a piercing stare and she looks away.

Trembling, he stares at it then collapses safely.
Someone's mouth drops as he thinks to himself.

We see someone and the two kids standing in their tiptoes in grinning.

Someone leaves, heading down the hall to get her camera.