What are you doing Tim?

Joe: Hi Tim. How are you?
Tim: Hi Joe. I’m just fine. What are you doing?
Joe: I’m packing a rucksack.
Tim: Why? Are you going camping?
Joe: Yes, but not today.
Tim: When are you going camping?
Joe: Two days later.
Tim: What are you putting in your rucksack?
Joe: A torch, a rope and a sleeping bag.
Tim: A sleeping bag? Do you want to sleep outside the tent?
Joe: No, I don’t. But the weather is cold these days. I need something warm.