Question: Context: Nearly 4 million children who have at least one parent who entered the U.S. illegally were born in the United States and are U.S. citizens as a result, according to the study conducted by the Pew Hispanic Center. That's about three quarters of the estimated 5.5 million children of illegal immigrants inside the United States, according to the study. About 1.8 million children of undocumented immigrants live in poverty, the study found.

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Answer: Hypothesis: Three quarters of U.S. illegal immigrants have children.

Question: Context: The papers presented show that all European countries are experiencing rapidly aging populations that will cause sharp increases in the cost of retirement income over the next several decades.

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Answer: Hypothesis: National pension systems currently adopted in Europe are in difficulties.

Question: Context: Rumsfeld signaled a harder line against China from the Bush administration, which has criticized Beijing over trade and human rights issues but not directly challenged the Chinese military buildup.

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Answer: Hypothesis: Rumsfeld is leveling some harsh criticism at China during his trip.

Question: Context: Kurdistan Regional Government Prime Minister Dr. Barham Salih was unharmed after an assassination attempt.

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Answer:
Hypothesis: prime minister targeted for assassination