Question
Opals can be worth a lot of money which piece of evidence supports this inference
Answers
GPT 3.5
One piece of evidence that supports the inference that opals can be worth a lot of money is their historical significance and high demand in the market. Opals have been valued for centuries and have been associated with symbols of wealth, luxury, and power. This historical significance and strong demand for opals contribute to their high monetary value in the market.