1. Department of Linguistics, Harvard University, Cambridge, Massachusetts, USA
2. Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA;
3. Department of English and American Studies, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
4. Laboratoire de Linguistique Formelle, Université de Paris, LLF, CNRS, Paris, France