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:It is a bittersweet victory when the girls realize that although they stopped the alien theft . Sentence 2:nan
[EX A]: SINGLE_CONN_INNER_ANAPHORA

[EX Q]: Sentence 1:The Israeli audience , enamored with Sanderson 's blend of humor , jokes and lighthearted music , was willing to accept Sanderson 's brilliant music only when masqueraded as ' simple pop ' , but was much less enthusiastic about more earnest musical attempts . Sentence 2:nan
[EX A]: SINGLE_S_COORD

[EX Q]: Sentence 1:Some evidence suggests that Barbados may have been settled in the second millennium BC , but this is limited to fragments of conch lip adzes found in association with shells that have been radiocarbon - dated to about 1630 BC . Sentence 2:nan
[EX A]:
SINGLE_S_COORD