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'.

Example Input: Sentence 1:The original Deepdale Street terminus was closed to passengers but continued to be used for goods . Sentence 2:nan
Example Output: SINGLE_VP_COORD

Example Input: Sentence 1:The two women remained friends throughout their lives , although they often lived apart . Sentence 2:nan
Example Output: SINGLE_CONN_INNER_ANAPHORA

Example Input: Sentence 1:In May 2012 Murray fell in love with Cat Gibson ( Roz Gibson ) and ended up leaving Wendy and the children . Sentence 2:nan
Example Output:
SINGLE_VP_COORD