What kind of cola do they drink in unavoidable family outing?

This is a fun, tricky question! There's no single "unavoidable family outing" cola, but here are some options depending on the context:

* The Classic: Coca-Cola is the most likely choice, being the most popular cola worldwide. It's a safe bet for any family outing.

* The "Cool" Aunt's Choice: Diet Coke might be the go-to for the aunt who's watching her figure, but still wants a cola.

* The "Trying to be Healthy" Choice: Coke Zero or another sugar-free cola might be chosen by someone trying to be mindful of their intake.

* The "Kid-Friendly" Choice: Sprite or Fanta are popular options for children, especially if it's a hot day.

* The "Grandma's Favorite": Dr. Pepper might be the grandma's preferred choice, especially if she has a particular fondness for its unique flavor.

Ultimately, the "unavoidable family outing" cola depends on the family's preferences, the occasion, and even the location.

Let me know if you'd like me to expand on any of these options!