Model A — everyday exchange
A: What do you think will happen if we add a clear return point?
B: I expect more cups will be returned, but we need to count them.
A: So that is a prediction, not our result yet.
B: Exactly. The trial may reveal a different problem.
Model B — Culture / CLIL explanation
Festival traditions can be made less wasteful without dismissing their cultural meaning. Consider reusable decorations, suitable transport and avoiding excessive food purchases. A product described as biodegradable may still require specific processing conditions. Compare alternatives within the same use and disposal system; do not assume every natural material is automatically harmless.