Maybe now was the time to indulge in a little light conversation.

The news of the murder bothered her, though, and she no longer felt any interest in light conversation.

Why, she wondered, was light conversation so difficult with him?

Obviously this young man hadn't come looking for light conversation.

The man didn't have a due how to make light conversation.

Now, what does one say for light conversation with a robot?

Grace talked as though he were making light conversation at a social gathering.

They made only light conversation, and not much of that.

He had never learned how to engage in light conversation.

He had given up trying to make light conversation with the man.