TASK DEFINITION: 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'.
PROBLEM: Sentence 1:The son of Declan Queally , who trains a small string of Thoroughbreds in County Waterford , Queally was raised in Modeligo and attended to Dungarvan Christian Brothers School . Sentence 2:nan

SOLUTION: SINGLE_RELATIVE

PROBLEM: Sentence 1:Agriculture and trade flourished in these centuries , and Piacenza became one of the richest cities in Europe . Sentence 2:nan

SOLUTION: SINGLE_S_COORD

PROBLEM: Sentence 1:Advertising for Waitrose emphasises the chain 's unique selling points . Sentence 2:For example , its differences in production processes , emphasising the quality of products or the expertise of their partners ( staff ) .

SOLUTION:
PAIR_CONN_ANAPHORA