Classify the following examples as requiring either behavior-based or campaign-based emails.
- A wedding vendor is launching a photo contest – Campaign-based
- A travel company is holding a promotional party for its VIPs – Behavior-based
- A kitchen goods store is sending a list of items you might like based on your recent purchase – Behavior-based
- A game app is unlocking special features to those who pass on a referral link – Behavior-based
- A rock climbing gym is offering a free 3-day trial to new subscribers – Campaign-based
- A food truck is expanding its operations to new locations – Campaign-based