TASK DEFINITION: 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'.
PROBLEM: Sentence 1:Since 2005 she has been the Executive Director of Injaz Bahrain , a Member of Suzanne Mubarak Women 's International Peace Movement , and a member of the Young Arab Leaders of Bahrain . Sentence 2:nan

SOLUTION: SINGLE_APPOSITION

PROBLEM: Sentence 1:Some evidence suggests that Barbados may have been settled in the second millennium BC , but this is limited to fragments of conch lip adzes found in association with shells that have been radiocarbon - dated to about 1630 BC . Sentence 2:nan

SOLUTION: SINGLE_S_COORD

PROBLEM: Sentence 1:Although most noted for his cricketing exploits , Shuter joined his father in business as a stave timber merchant and cooper . Sentence 2:nan

SOLUTION:
SINGLE_CONN_START