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'.

Q: Sentence 1:However , in retrospect the Marquette poll accurately reflected the Wisconsin electorate 's vote . Sentence 2:However , the same poll showed President Obama holding a lead over Mitt Romney 51 - 43 .

A: PAIR_CONN
****
Q: Sentence 1:In July , magistrates in Naples placed Lino Jannuzzi , a 76 - year - old journalist and senator , under house arrest , although they allowed him the possibility of attending the work of the parliament during daytime . Sentence 2:nan

A: SINGLE_CONN_INNER_ANAPHORA
****
Q: Sentence 1:Animals were small by later standards , although horses from Britain were imported into Ireland as breed - stock to enlarge native horses . Sentence 2:nan

A:
SINGLE_CONN_INNER
****