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:U.S. submarines participated in the majority of naval battles in the Pacific theatre , but the submarines were most decisive in their blockade of Japan , for which Japan was dependent on its sea transport to provide resources for its war effort . Sentence 2:nan

Answer: SINGLE_S_COORD_ANAPHORA


Question: Sentence 1:The son of Declan Queally , who trains a small string of Thoroughbreds in County Waterford , Queally was raised in Modeligo and attended to Dungarvan Christian Brothers School . Sentence 2:nan

Answer: SINGLE_RELATIVE


Question: Sentence 1:They gamble , which leads to fighting , and they dispute the division of spoils . Sentence 2:nan

Answer:
SINGLE_RELATIVE