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

Answer: PAIR_NONE


Question: Sentence 1:He concedes , however , that change is difficult because equal segments of Puerto Ricans desire statehood or continuation of the status quo . Sentence 2:nan

Answer: SINGLE_CONN_INNER


Question: Sentence 1:In 1934 , Julius moved Philipp Brothers ' German operations to Amsterdam due to the rise of Nazi Germany ( Julius perished in 1944 in the Bergen - Belsen concentration camp ) . Sentence 2:The New York office eventually became Philipp Brothers headquarters .

Answer:
PAIR_NONE