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:Meanwhile , Carly tutors Spencer 's nemesis Chuck in math , and Spencer tries to prove to Carly how evil Chuck really is . Sentence 2:nan

Ex Output:
SINGLE_S_COORD


Ex Input:
Sentence 1:This topological space is zero - dimensional , and in particular , each point is an irreducible component . Sentence 2:nan

Ex Output:
SINGLE_S_COORD


Ex Input:
Sentence 1:Slater sulks out , and Del explains to Rodney that when Slater sells his diamonds , Raquel can divorce him and legally be entitled to 50 % of his money . Sentence 2:nan

Ex Output:

SINGLE_S_COORD_ANAPHORA