Semantics Klaus von Heusinger Claudia Maienborn Paul Portner (eds.) ; 5: Sentence and information structure Scope and binding Anna Szabolcsi Negation Elena Herburger Negative and positive polarity items Anastasia Giannakidou Coordination Roberto Zamparelli Questions Manfred Krifka Imperatives Chung hye Han Copular clauses Line Mikkelsen Existential sentences Louise McNally Ellipsis Ingo Reich Information structure and truth conditional semantics Stefan Hinterwimmer Topics Craige Roberts Discourse effects of word order variation Gregory Ward and Betty J. Birner Cohesion and coherence Andrew Kehler Accessibility and anaphora Bart Geurts Discourse particles Malte Zimmermann