chat_history: ['NASA released some free space posters a couple of months back.', 'Okay! Now that is interested, I would love to see them.', "I think they have them up on their website, you should give them a look! I had them printed for a small fee and now they're up on my wall!"]
sys_response: Oh really? I will be checking it out. I would love to have some.
situation: NASA released some free space posters a couple of months back. I picked a few that I liked, had them printed for a small fee and now they're up on my wall! I'm so happy.