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:The year was marked by halfhearted attempts of the U.S. Army to respond to Kennedy 's emphasis on developing a greater capability in counterinsurgency , although the U.S. Military Assistance Advisory Group began providing counterinsurgency training to the South Vietnamese army . Sentence 2:nan
[EX A]: SINGLE_CONN_INNER

[EX Q]: Sentence 1:Flying his Albatros D.Va marked with blue and white diamonds , he scored a victory for his new squadron on 9 December 1917 , to run his total to seven . Sentence 2:nan
[EX A]: SINGLE_CATAPHORA

[EX Q]: Sentence 1:Use = Org < ! -- HIGHLY RECOMMENDED -- > Sentence 2:Source = http://www.gaidid.ee/moodul.php?moodul=CMS&Komponent=Lehed&id=36&m_id=157 < ! -- ADDITIONAL INFORMATION -- >
[EX A]:
PAIR_NONE