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'.
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Question: Sentence 1:John Payne , who played soprano saxophone on this song , says there was a long section at the end of this song that was cut off . Sentence 2:nan

Answer: SINGLE_RELATIVE


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

Answer: PAIR_NONE


Question: Sentence 1:The sixth stage was originally scheduled to be 265 km ( 165 mi ) in length , but it was shortened the day before it was to be run . Sentence 2:nan

Answer:
SINGLE_S_COORD_ANAPHORA