Paper  bibtex   

@article{jansen2017framing,
  title={Framing QA as Building and Ranking Intersentence Answer Justifications},
  author={Jansen, Peter and Sharp, Rebecca and Surdeanu, Mihai and Clark, Peter},
  journal={Computational Linguistics},
  year={2017},
  publisher={MIT Press},
  url={http://www.mitpressjournals.org/doi/pdf/10.1162/COLI_a_00287}
}