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'.

Ex Input:
Sentence 1:The two bonded over the accident and Ben soon started to date Yvonne 's daughter Tania Jeffries ( Faye Smythe ) . Sentence 2:However the polar opposite relationship did not last and it soon became clear Ben was more interested in Yvonne than Tania .

Ex Output:
PAIR_CONN_ANAPHORA


Ex Input:
Sentence 1:Due to his political ties to the governing PP , which decided to inject the funds , Rato resigned . Sentence 2:nan

Ex Output:
SINGLE_RELATIVE


Ex Input:
Sentence 1:Although rainfall is evenly spread throughout the year , it is more common in spring ( April -- May ) and autumn ( September -- November ) . Sentence 2:nan

Ex Output:

SINGLE_CONN_START