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:The first thematic group is striking for the breadth of its melodic content , which is not usual for any symphony , and is not found in Enescu 's previous four essays in the form . Sentence 2:nan

Ex Output:
SINGLE_RELATIVE


Ex 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

Ex Output:
SINGLE_VP_COORD


Ex Input:
Sentence 1:After pinning JoJo in a tag team match at OVW episode 633 Hendrix received a match for the OVW Women 's Championship at OVW episode 634 on October 15 , which she won via disqualification , after JoJo slapped the referee . Sentence 2:nan

Ex Output:

SINGLE_RELATIVE