Task: Discourse Relation Classification
Input (English): Sentence 1:As a result , Ibrahim Khan invited Mr. Charnock back to Bengal ; but Mr. Charnock refused to come back until a specific Firman with terms and conditions clearly specified was issued by the Emperor so that they would not be subjected to further humiliations . Sentence 2:nan
Output (English): SINGLE_CONN_INNER_ANAPHORA