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# Tutorial Task

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# Good Unanswerable Questions

Unanswerable questions look like they could be answered by a part of the passage -- just like answerable questions. But in fact, the answer would be wrong.

A good unanswerable question fulfills at least one of the following:

1. Is not answerable from the passage but there is a span in the text that looks like an answer i.e. something of the same type as what the question asks for.
2. Is about the same topic and domain as the text.
3. Uses different wording than in the passage.
4. Uses different grammar than the passage.

Have a look at the following examples of good and bad answerable questions:

# ✅ Good Example

... By the end of the embargo in March 1974, the price of oil had risen from US$3 per barrel to nearly $12 globally; US prices were significantly higher. ...

❓ What was the US price of oil in March of 1974?

✅ This is a good unanswerable question. The passage talks about oil and prices, and $12 looks like it could be the answer -- but in fact, it isn't. Also, the question uses different wording than the passage.

# ❌ Bad Example

Southern California, often abbreviated SoCal, is a geographic and cultural region that generally comprises California's southernmost 10 counties...

❓ What is the population of California?

❌ The question is too far off. The passage is about southern california, but not about the population. As a result the passage does not include a misleading span that looks like an answer.

As a last step please look at the following example:

# ✅ Good Example

The crisis had a major impact on international relations and created a rift within NATO. […] By January 18, 1974, US Secretary of State Henry Kissinger had negotiated an Israeli troop withdrawal from parts of the Sinai Peninsula .

❓ What did NATO negotiate?

✅ This is a good question. It's about the same topic, but has different wording. "An Israeli troop withdrawal from parts of the Sinai Peninsula" looks like an answer -- but on a close reading, it doesn't answer the question.

Please enter this question and answer down below. (Please exclude the surrounding white spaces again)

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