question: How old were the obsidian tools that were discovered by the Eritrean Research Project Team ?
answer: over 125,000 years old
turker_answer: The obsidian tools that were discovered by the Eritrean Research Project Team were over 125,000 years old .
rule-based: The obsidian tools that were discovered by the Eritrean Research Project Team were over 125,000 years old .