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:Although Japanese Americans in Hawaii comprised more than one third of the population , businessmen resisted their being interned or deported to mainland concentration camps , as they recognized their contributions to the economy . Sentence 2:nan

A: SINGLE_CONN_START
****
Q: Sentence 1:As she is about to leave town , Nick races to the bus stop to persuade Roxy to stay . Sentence 2:However , the relationship fizzles out almost immediately ; After Nick 's brother Shane ( Dieter Brummer ) is arrested and he and Roxy decide be just friends .

A: PAIR_CONN_ANAPHORA
****
Q: Sentence 1:The convention was signed by 19 states , but no states have ratified it . Sentence 2:Therefore , the convention has not entered into force and has been replaced by the 1998 Protocol on Environmental Protection to the Antarctic Treaty ( Madrid Protocol ) .

A:
PAIR_CONN
****