ABSTRACT
Both LOCNESS and MLC consist of argumentative essays written by university students. The topics of LOCNESS and MLC are listed in Appendix 1.
1 LOCNESS3: essays written by both British and American university students for their assignments and examinations. Each essay is around 500 words. All the words which are not produced by students themselves such as quotations have been deleted from their essays in order to guarantee that all the language production is made by them.
