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:B Orbach and G Campbell , The Antitrust Curse of Bigness , Southern California Law Review ( 2012 ) . Sentence 2:nan
answer:
SINGLE_APPOSITION


question:
Sentence 1:The council required Eastern churches wishing to be reunited with Rome to accept the Filioque as a legitimate expression of the faith , while it did not require those Christians to change the recitation of the creed in their liturgy . Sentence 2:nan
answer:
SINGLE_CONN_INNER_ANAPHORA


question:
Sentence 1:After the exchange , Non springs an ambush but withdraws on Astra 's orders . Sentence 2:nan
answer:

SINGLE_VP_COORD