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 two bonded over the accident and Ben soon started to date Yvonne 's daughter Tania Jeffries ( Faye Smythe ) . Sentence 2:However the polar opposite relationship did not last and it soon became clear Ben was more interested in Yvonne than Tania .
[A]: PAIR_CONN_ANAPHORA


[Q]: Sentence 1:She told Ben Lee of Digital Spy that an actor had been cast , although she refused to reveal his identity . Sentence 2:nan
[A]: SINGLE_CONN_INNER


[Q]: Sentence 1:The abbreviation adopted by the company is AFWL , not AFLW . Sentence 2:Type 170 unmanned helicopter is in conventional layout with a pair of skids as landing gear .
[A]:
PAIR_NONE