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 currently attends Vancouver College and is a two sport athlete playing Football and Basketball . Sentence 2:nan

Ex Output:
SINGLE_S_COORD


Ex Input:
Sentence 1:So , the next game I went out when they played Davison and I just counted his rebounds and he got ( 42 ) . Sentence 2:nan

Ex Output:
SINGLE_S_COORD_ANAPHORA


Ex Input:
Sentence 1:The open source community quickly debunked most of the examples shown . Sentence 2:In particular , one example showed that code from Unix was indeed used in some of SGI 's Linux contributions .

Ex Output:

PAIR_CONN