The paper examined the undecidability of the problem and proposed new heuristics for practical instances.

The system handled inputs undecidably, so some queries never returned a definitive result.

Researchers debated whether the undecidabilities revealed by the model were inherent limitations or artifacts of its training data.

The campaign team focused its efforts on persuading undecideds in the final week.

After hours of debate, the board undecides its previous resolution, leaving shareholders bewildered.

She kept undeciding her travel plans until it was too late to book anything.

The board voted to undecide the policy they had approved last year.

Whether the new algorithm can solve the problem remains undecideable under current theoretical limits.

She remained undecided about whether to accept the job offer, weighing the pros and cons carefully.

Pollsters focused on persuading the undecided before election day.