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 Q]: Sentence 1:The principal consecrator was Metropolitan Maxim Hermaniuk . Sentence 2:Bishop Yakymyshyn retired on June 1 , 2007 , after reaching of the age limit .
[EX A]: PAIR_NONE

[EX Q]: Sentence 1:They damaged a six - inch magazine and the forward stokehold ( boiler room ) and started a fire which was put out after about fifteen minutes . Sentence 2:However , the forward left six - inch magazine was flooded as a precaution .
[EX A]: PAIR_CONN

[EX Q]: Sentence 1:Although initially set up to publish a range of budget titles , Firebird later evolved into a full price label . Sentence 2:nan
[EX A]:
SINGLE_CONN_START