instruction:
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'.
question:
Sentence 1:Aquarion Water Co. , owner of the reservoir and dam , allows tailrace fishing in one area at the Weston end of the reservoir , where it has constructed a handicapped - access area . Sentence 2:However , anglers must obtain a permit from Aquarion before fishing in the Saugatuck .
answer:
PAIR_CONN_ANAPHORA


question:
Sentence 1:APL - 61 , a non self - propelled barracks ship and lead ship of her class , moored alongside the United States Naval Academy . Sentence 2:nan
answer:
SINGLE_APPOSITION


question:
Sentence 1:Although Roy is insufferably snobbish and manipulative , he manages to exert a curious control over Natalie , forcing her to confront several disturbing , long - suppressed memories of her past ( shown in black - and - white flashbacks ) . Sentence 2:nan
answer:

SINGLE_CONN_START