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'.

Sentence 1:Speculation is that it was never finished because Warrior had already left WWF or because Hasbro was unable to perfect the chest beating action . Sentence 2:nan
SINGLE_CONN_INNER

Sentence 1:One word of each pair is presented in a random order and the participant is asked to recall the item with which it was originally paired . Sentence 2:nan
SINGLE_S_COORD_ANAPHORA

Sentence 1:Balladur promised he would not be a candidate in the 1995 presidential election . Sentence 2:Nevertheless , polls indicated Balladur was the favorite in the presidential race and furthermore , he was supported by the majority of right - wing politicians .

PAIR_CONN_ANAPHORA