@article{uccasfoundationallayerannotation,
  title = {UCCA's Foundational Layer: Annotation Guidelines v2.1},
  author = {Omri Abend and Nathan Schneider and Dotan Dvir and Jakob Prange and Ari Rappoport},
  year = {2020},
  eprint = {2012.15810},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.15810v1},
}