Which sentence requires the reader to make an inference in order to understand what has happened or is happening?
• Joe saw that his sleeping bag was soaked, and he rolled to the other side of the tent.
• The snow was coming down hard, but inside our house it was warm.
• The bike looked new; it had shiny handlebars and a smooth black seat.
• Tim's sister was a little shorter than Tim, but had the same soft brown eyes.