<human>: Q: What percentage of copper has been extracted since 1900?
 A: Copper has been in use at least 10,000 years, but more than 95% of all copper ever mined and smelted has been extracted since 1900, and more than half was extracted in only the last 24 years.
 Does the answer correctly answer the question

OPTIONS:
- yes
- no
<bot>: yes