Read these sentences carefully, noting the tone it creates. ║We worked hard all day painting the house. That night, we slept the sleep of contentment—happy that we were making progress.║

Which set of sentences below creates a negative tone, rather than a positive tone?

We worked tirelessly all day painting the house. That night, we slept in peace, knowing our job was nearly complete.

We worked slowly all day painting the house. That night, we slept hard because we knew we were almost finished.

We labored all day painting the house. That night, we slept without dreaming; we knew we would finish painting soon.

We slaved all day painting the house. That night, we slept the sleep of the dead, but at least we had made some progress.