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 government of India is yet to approve the project , although DRDO has completed all calculations and started the engineering work . Sentence 2:nan
[EX A]: SINGLE_CONN_INNER

[EX Q]: Sentence 1:Although Bernstein left as music director in 1969 , he continued to lead the Young People 's Concerts as Conductor Emeritus until 1972 . Sentence 2:nan
[EX A]: SINGLE_CONN_START

[EX Q]: Sentence 1:Hoping to keep up the ruse , Owen asks his friends to play along , including asking Carl to pose as his lover . Sentence 2:nan
[EX A]:
SINGLE_CATAPHORA