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 49th Division troops were tired and had been sent partly trained replacements , said to have had low morale . Sentence 2:nan

Answer: SINGLE_VP_COORD


Question: Sentence 1:He then joined Madras Christian College but quit , returned to Sri Lanka and took up law studies . Sentence 2:nan

Answer: SINGLE_VP_COORD


Question: Sentence 1:Koirala led his country 's delegation to the United Nations and made carefully poised visits to China and India , then increasingly at odds over territorial disputes . Sentence 2:Yet , he was in trouble at home almost from the beginning .

Answer:
PAIR_CONN_ANAPHORA