In this task, you are given two sentences in the English language and your task is to classify them into one of their discourse types. A discourse type is an indicator to classify the given two sentences on the basis of a co-text as well as a relevant context. There are 13 discourse types in total which are 'SINGLE_S_COORD', 'SINGLE_CATAPHORA', 'SINGLE_CONN_INNER', 'SINGLE_APPOSITION', 'SINGLE_VP_COORD', 'SINGLE_CONN_START', 'PAIR_ANAPHORA', 'PAIR_CONN', 'SINGLE_RELATIVE', 'SINGLE_CONN_INNER_ANAPHORA', 'SINGLE_S_COORD_ANAPHORA', 'PAIR_CONN_ANAPHORA' and 'PAIR_NONE'.

Input: Consider Input: Sentence 1:A + E Networks International is the international division of A + E Networks , which handles international operations outside the U.S. , mostly through joint ventures . Sentence 2:nan

Output: SINGLE_RELATIVE


Input: Consider Input: Sentence 1:Following this , his executioner services were in great demand throughout England . Sentence 2:Nevertheless , some considered Calcraft incompetent , in particular for his controversial use of the short - drop hanging method in which the condemned were slowly strangled to death .

Output: PAIR_CONN


Input: Consider Input: Sentence 1:The Tweedmouth junction faced south , so that Berwick to Kelso trains had to reverse there . Sentence 2:nan


Output: SINGLE_CONN_INNER