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 server becomes a candidate if it receives no communication by the leader over a period called the election timeout , so it assumes there is no acting leader anymore . Sentence 2:nan

Output: SINGLE_S_COORD_ANAPHORA


Input: Consider Input: Sentence 1:Its small userbase is advertised as a positive because it generally aids in the quick resolution of problems . Sentence 2:nan

Output: SINGLE_CONN_INNER


Input: Consider Input: Sentence 1:Prisoners are susceptible to developing mental illnesses because they are confined to coffin - like conditions and denied access to basic health services . Sentence 2:nan


Output: SINGLE_CONN_INNER_ANAPHORA