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 Input:
Sentence 1:The slide still blocked the original road as of early 2018 , although temporary bridges allow one - way traffic around the slide and into the park . Sentence 2:nan

Ex Output:
SINGLE_CONN_INNER


Ex Input:
Sentence 1:Weisbrot attributed these successes in part to policy changes that were an improvement over the neoliberal program Brazil adopted in the 1980s . Sentence 2:However , he was critical of austerity and high interest rates after 2010 , arguing that these were unnecessary and led to a prolonged recession .

Ex Output:
PAIR_CONN_ANAPHORA


Ex Input:
Sentence 1:Harrison , however , dominated in much of upstate New York , including a victory in Erie County , home to the city of Buffalo , although Cleveland did manage to win Albany County . Sentence 2:nan

Ex Output:

SINGLE_CONN_INNER