Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: Recycling means using the same thing again after a thorough process of cleaning and decontamination. When people do not recycle their packing materials, it is thrown away after use. Paper is the most common packing material. When paper is not recycled, it turned to waste.
 The question and answer:
What happens when people don't recycle packing materials?
Options:
- change direction
- save earth
- travel abroad
- believe in god
- waste paper
The answer is waste paper