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:Although the conditions of their imprisonment were not always good , he provided them with clothing , and eventually had all but the officers transported to New York and released . Sentence 2:nan

SOLUTION: SINGLE_CONN_START

PROBLEM: Sentence 1:Working in his hometown for almost two decades , he elevated the artistic and technical standards of the company dancers to a remarkable degree and created many works for ballet stages , for opera and operetta , and for television productions . Sentence 2:nan

SOLUTION: SINGLE_CATAPHORA

PROBLEM: Sentence 1:Prussia had signed a secret treaty with the relatively new Kingdom of Italy on 8 April , while Austria concluded one with France on 12 June . Sentence 2:nan

SOLUTION:
SINGLE_CONN_INNER