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'.

Sentence 1:Due to economic disparities in the black LGBT community , 32 % of children raised by gay black men are in poverty . Sentence 2:However , only 13 % of children raised by heterosexual black parents are in poverty and only 7 % for white heterosexual parents .
PAIR_CONN

Sentence 1:Carriers of the gene , who are healthy and normal , can be identified by a DNA test . Sentence 2:nan
SINGLE_RELATIVE

Sentence 1:The same method will also work with subtraction , but in that case it is not strictly speaking a total ( which implies summation ) but a running difference ; not to be confused with a delta . Sentence 2:nan

SINGLE_S_COORD_ANAPHORA