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:Crossing under the B6166 , which follows the course of the Fosse Way Roman road at this point , the Devon joins the River Trent . Sentence 2:nan

Output: SINGLE_RELATIVE


Input: Consider Input: Sentence 1:Fabrice also receives a one on one date , because he scored the fewest baskets . Sentence 2:nan

Output: SINGLE_CONN_INNER_ANAPHORA


Input: Consider Input: Sentence 1:ABC eventually stopped carrying AT40 in July 1994 ( it continued internationally under Radio Express until January 1995 ) and picked up Rick Dees Weekly Top 40 , which by then had joined CT40 under the Westwood One umbrella , to replace it . Sentence 2:nan


Output: SINGLE_RELATIVE