Problem:OPTIONS:
- No
- Yes

I am verifying the answers generated by an automatic system to the following question: when were forever stamps introduced Suggested answer: The item is then processed by the postal system, where a postmark , sometimes known as a cancellation mark, is usually applied over the stamp and cover; this procedure marks the stamp as used, which prevents its reuse. Should I validate this answer?
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A: No

Problem:OPTIONS:
- No
- Yes

I am verifying the answers generated by an automatic system to the following question: who owns us treasuries Suggested answer: Stated as a formula, National Debt = Debt held by the Public + Intragovernmental Debt. Should I validate this answer?
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A: No

Problem:OPTIONS:
- No
- Yes

I am verifying the answers generated by an automatic system to the following question: what triggered the civil war Suggested answer: Western successes led to Ulysses S. Grant command of all Union armies in 1864. Should I validate this answer?
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A: No

Problem:OPTIONS:
- No
- Yes

I am verifying the answers generated by an automatic system to the following question: what does the green mean on the mexican flag Suggested answer: The form of the coat of arms was most recently revised in 1968. Should I validate this answer?
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A:
No