However, as argued by Elsner and Charniak (2011), to better simulate the real situations that human readers might encounter in machine-generated documents, such oracular information should not be taken into account.
we also employ two alternative approaches for entity extraction: (1) use the same automatic coreference resolution tool on permuted documents -we call it the Corefer-ence± condition; (2) use no coreference resolution, i.e., group head noun clusters by simple string matching -B&L's Coreference− condition.