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:This is at the level of an observation , but is a fundamental property . Sentence 2:For example , it implies that finite - dimensional unitary representations are always a direct sum of irreducible representations , in the algebraic sense .
[A]: PAIR_CONN


[Q]: Sentence 1:Statues and other forms of display made significant notice of their creator 's masculine qualities , more specifically pointing out his erect penis . Sentence 2:Therefore , to appease their god 's preferences women 's tombs and coffins displayed male qualities .
[A]: PAIR_CONN


[Q]: Sentence 1:He was originally signed by the Detroit Tigers in the 1964 amateur draft , but was selected by the Kansas City Royals during the 1968 expansion draft . Sentence 2:nan
[A]:
SINGLE_VP_COORD