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'.

[EX Q]: 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 .
[EX A]: PAIR_CONN_ANAPHORA

[EX Q]: Sentence 1:Although Iotapa was annexed along with the Kingdom of Commagene by Roman Emperor Vespasian in 72 , Iotapa became a central city where coins were minted . Sentence 2:nan
[EX A]: SINGLE_CONN_START

[EX Q]: Sentence 1:Although Bogdanovic ( No 374 ) had lost all six of his live Davis Cup rubbers , he had at least won a Futures tournament in the United States this year . Sentence 2:nan
[EX A]:
SINGLE_CONN_START