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'.

Input: Consider Input: Sentence 1:Once again he does not have to face Asashoryu , who withdraws on Day 10 , prompting speculation about his possible retirement . Sentence 2:nan

Output: SINGLE_RELATIVE


Input: Consider Input: Sentence 1:Moderate Party Chairman Ken Block , who received 6.5 % of the vote in the 2010 gubernatorial election , had filed to run again for the Moderate Party . Sentence 2:nan

Output: SINGLE_RELATIVE


Input: Consider Input: Sentence 1:Whereas on the guitar you 're stuck with as fast as you can play and I do n't play fast , I just play hard . Sentence 2:nan


Output: SINGLE_S_COORD