a place which was once America the capital of panem maintains it's ground and holds on it's 12 districts by forcing them each to select a male and a female , called tributes to complete in a nationally televised event called the hunger games every citizen must watch as the youths fight to the death until only one remains
We, the audience, know that Lucy is only talking with Tom because she needs his car. Due to the fact that Tom is ignorant to this fact, the irony we see here is dramatic irony