instruction:
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'.
question:
Sentence 1:Although the Rassophore does not make formal vows , he is still morally obligated to continue in the monastic estate for the rest of his life . Sentence 2:nan
answer:
SINGLE_CONN_START


question:
Sentence 1:Strong Wine : The Life and Legend of Agoston Haraszthy . Sentence 2:Stanford University Press , 1998 .
answer:
PAIR_NONE


question:
Sentence 1:While they were founded during the 1920s boom , the Grand Central Art Galleries were structured so that they could withstand economic downturns . Sentence 2:nan
answer:

SINGLE_CONN_INNER_ANAPHORA