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 the Roman -- Parthian War ( 161 - 66 ) started auspiciously for the Parthians , after the Romans recovered from the first shock and setbacks , they counterattacked , restored Sohaemus to the Armenian throne and invaded the Parthian Empire . Sentence 2:nan

A: SINGLE_CONN_START
****
Q: Sentence 1:Jackie returned to find the Franchetti mob taken over by Frankie 's cousin , Paulie . Sentence 2:Paulie was able to discover Jackie 's secret , and Paulie blackmailed Jackie into doing hits for him .

A: PAIR_ANAPHORA
****
Q: Sentence 1:The British initially provided general assistance to the UN troops who were eventually dispatched , but refused to cooperate with subsequent efforts to deal with Tshombe 's rebellious regime . Sentence 2:nan

A:
SINGLE_VP_COORD
****