Passage

Some coastal towns have successfully reduced plastic waste by improving collection systems and encouraging reusable containers.

Question

Which conclusion is best supported?

Answer

Improved collection and reusable containers can help some coastal towns reduce plastic waste.

Solution

1. The passage uses 'some coastal towns', not every town.
2. It describes success linked to two measures.
3. The answer keeps both the limited scope and the cautious 'can help' wording.