xsd:string A speaker marks a Statement as being or implying a contradiction to the Main_statement. Some LUs specify the Main_statement, others the Statement, as referring to the preceding discourse (i.e. DNI), while yet others are conjunctions joining the two. Although she had some trouble , she was able to finish about two hours early . Nevertheless , we did win . DNI I wanted to come , but I did n't remember where the party was .