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unsolved





Example Sentences

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However, obtaining stable examples that could be isolated and examined remained an unsolved problem.

From Science Daily ● Nov. 6, 2026

"He is not currently a declared suspect on any unsolved case, but the potential for his involvement is always considered as we review cold cases," the police added.

From BBC ● Nov. 3, 2026

Perhaps the biggest unsolved problem is recreating the dexterity of human hands with high-precision sensors and motors, a shortfall that was on full display when the robot loaded my dishwasher.

From MarketWatch ● Oct. 16, 2026

According to Anthropic's account, as relayed by police, the model was running a test that involved interacting with randomly selected websites when it reached the site and filed false information about an unsolved murder.

From Barron's ● Oct. 9, 2026

“There’s nothing like an unsolved mystery to keep you up at night.”

From "Twilight" by Stephenie Meyer


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