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:He applied himself to parish work and had the church restored and the vicarage rebuilt . Sentence 2:nan

Ex Output:
SINGLE_S_COORD


Ex Input:
Sentence 1:In 1754 , they Juel couple where ousted from the royal court , reportedly because they where considered a threat by the powerful Johann Hartwig Ernst von Bernstorff . Sentence 2:nan

Ex Output:
SINGLE_CONN_INNER_ANAPHORA


Ex Input:
Sentence 1:Descriptions of registered cultivars . Sentence 2:Retrieved 2006 - 11 - 15 .

Ex Output:

PAIR_NONE