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:Throughout the Republic , the administrative system was revised several times to comply with new demands . Sentence 2:In the end , it proved inefficient for controlling the ever - expanding dominion of Rome , contributing to the establishment of the Roman Empire .

SOLUTION: PAIR_CONN_ANAPHORA

PROBLEM: Sentence 1:The Derby Trailblazers are a basketball club from Derby , which operates several men 's teams in the English Basketball League , and women 's and junior teams at a variety of levels . Sentence 2:nan

SOLUTION: SINGLE_RELATIVE

PROBLEM: Sentence 1:The Lord 's Resistance Army , which is facing declining numbers and deaths of leaders in its home base of Uganda , has been attempting to cross into the country . Sentence 2:nan

SOLUTION:
SINGLE_RELATIVE