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:Harold tries , but Farrell makes a fool of him , then has him tied up . Sentence 2:Harold 's sworn enemy , Hank Hooper , pelts him and accidentally starts a fire that consumes the medicine show wagon .

Ex Output:
PAIR_ANAPHORA


Ex Input:
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 .

Ex Output:
PAIR_CONN


Ex Input:
Sentence 1:At around 0630 in the morning , a Japanese kamikaze boat attacked head on , while they attempted to land on Mae Shima but Capt . Sentence 2:nan

Ex Output:

SINGLE_CONN_INNER