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'.

Sentence 1:Although Harvester was the nation 's fourth - largest company at the time he assumed control , McCardell triggered a strike by unionized employees which ended disastrously for the company and led to its eventual demise . Sentence 2:nan
SINGLE_CONN_START

Sentence 1:However , there are state laws that exceed this 50 per cent limit and these are under litigation in the Supreme Court . Sentence 2:nan
SINGLE_S_COORD

Sentence 1:On December 15 , 2010 , DiNardo signed a minor league contract to return to the Boston Red Sox . Sentence 2:However , on April 1 , 2011 , he was released .

PAIR_CONN_ANAPHORA