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: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:The central spire rises to a height of 201 feet ( 61 m ) , and the tower on which it stands is square in shape and was patterned on the lines of the 12th - century Canterbury Cathedral , England . Sentence 2:nan

Answer: SINGLE_S_COORD_ANAPHORA


Question: Sentence 1:La Tribuna ( in Spanish ) . Sentence 2:2009 - 11 - 02 .

Answer:
PAIR_NONE