The expert was not constrained in any way during the annotation process, so gold answers might be smaller than a paragraph or span multiple paragraphs.
This dataset was used for the question-answering system described in the paper “Discourse Complements Lexical Semantics for Non-factoid Answer Reranking” (ACL 2014).
This dataset was produced by Allen Institute for AI and Mihai Surdeanu (University of Arizona).