Abstract Models for question answering, dialogue agents, and summarization often interpret the meaning of a sentence in rich context use that new context. Taking excerpts text can be problematic, as key pieces may not explicit local window. We isolate define problem decontextualization: taking together with its rewriting it to interpretable out context, while preserving meaning. describe an ann...

This paper gives a novel analysis of identificational sentences such as This is Mary, That is a beautiful woman, or This looks like Mary based on the notion of a trope. On that analysis, bare demonstratives in the subject position of an identificational sentence involve reference to a trope as the direct object of perception and the sentence itself states the identification of the bearer of the...