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'.

Q: Sentence 1:The Tweedmouth junction faced south , so that Berwick to Kelso trains had to reverse there . Sentence 2:nan

A: SINGLE_CONN_INNER
****
Q: Sentence 1:It was rumored at the time that he was appointed bey only because his uncle was not killed . Sentence 2:nan

A: SINGLE_CONN_INNER
****
Q: Sentence 1:The Cerys travels towards The Castle under Nicko 's steering . Sentence 2:However , near Cattrokk Light , Nicko hears the Syren 's song and believing mistakenly that the light on the island is coming from the lighthouse , he sails the ship onto the rocks .

A:
PAIR_CONN_ANAPHORA
****