Which of the following logically support the topic sentence below? Organic produce is worth the extra cost.

1. Organic farming is sustainable and better for the environment.
2. Organic farming requires a different kind of labor that makes for better social relations.
3. Organic produce does not contain pesticides and chemical fertilizers that might be bad for you.
4. Big corporations have undermined the benefits of organic farming.
5. In addition to buying organic produce, we should also use organic eggs.