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'.

[EX Q]: 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
[EX A]: SINGLE_S_COORD_ANAPHORA

[EX Q]: Sentence 1:Matthias , who suffered from gout , could not walk and was carried in a litter after March 1489 . Sentence 2:nan
[EX A]: SINGLE_RELATIVE

[EX Q]: Sentence 1:Newt , now distanced from Call , becomes uneasy with Dunnigan because of his campaign to drive the other ranchers of the region out of business , but is reluctant to part ways because of the debt he feels he owes him . Sentence 2:nan
[EX A]:
SINGLE_S_COORD_ANAPHORA