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:It was released in 1992 as the second single from her second studio album , Bad Day for Trains . Sentence 2:It peaked at number 7 on the RPM Country Tracks chart in November 1992 .
[A]: PAIR_ANAPHORA


[Q]: Sentence 1:During the Pallavas rule , the Cholas took control of not only the territories , but the cultural and socio - economic mantle . Sentence 2:Thus , the Medieval Cholas inherited the will to dominate trade and control seas from the Pallavas .
[A]: PAIR_CONN


[Q]: Sentence 1:Alternating the lead every 100 paces , they made their way from the plateau to the top , finally reaching the summit at 2 : 30 pm . Sentence 2:nan
[A]:
SINGLE_CATAPHORA