We drove to the nearby Blue Ridge Parkway where we found a trail that wrapped around a lake . As we walked , we debated man 's capacity to change himself . Later , the girls watched movies , and the guys continued the ping pong wars while watching football .
What was the topic of conversation on the walk ?
Pick the best answer from the following options:
- How wars are fought .
 - How ping pong is played .
 - How girls treat each other .
 - How men tend to evolve .


How men tend to evolve .