P-demotion: Extended sample

This dataset is a component of the Polonez Bis project No. 2021/43/P/HS2/01395, co-funded by the National Science Centre and the European Union's Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement no. 945339, headed by Katarzyna Janic as Principle Investigator, from October 1, 2022, to September 30, 2024, at Adam Mickiewicz University. Katarzyna Janic and Krzysztof Strońsk created the dataset. They and Mohammad Tavakoli, Ph.D assistant, subsequently populated it. They entered data gathered through grammar mining. If necessary, they also contacted language experts for further clarification. This dataset corresponds to the Extended sample in Polonez Bis 1 project and is subject to further adjustment. Should you observe any inconsistency, please contact Katarzyna Janic at [e-mail].