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'.

Sentence 1:Since their arrival , the villagers said , they had received rations of sorghum from the local authorities but no salt , cooking oil , pulses or non-food aid . Sentence 2:nan
SINGLE_CONN_START

Sentence 1:The captured soldiers were led into a large field with Fierro on one end , and a wall on the other . Sentence 2:They were informed , if they were to reach the opposite end and climb over the wall they would be allowed to continue on free .
PAIR_ANAPHORA

Sentence 1:In this article , he explains that although the Book of Mormon Index page used to say that the River Sidon flowed North . Sentence 2:nan

SINGLE_CONN_INNER