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:Moderate Party Chairman Ken Block , who received 6.5 % of the vote in the 2010 gubernatorial election , had filed to run again for the Moderate Party . Sentence 2:nan
[A]: SINGLE_RELATIVE


[Q]: Sentence 1:During Walsall 's 2 -- 1 victory at Leeds United on 16 February 2010 he picked up a hamstring injury and he returned to the team after entering a 2 -- 0 defeat at Leyton Orient on 13 March as a 77th - minute substitute . Sentence 2:nan
[A]: SINGLE_S_COORD


[Q]: Sentence 1:When Muchkunda came to know of this , he charged Kandadevar with extorting his subjects and beheaded him . Sentence 2:However , later Muchkunda realised his folly and tried to kill himself .
[A]:
PAIR_CONN_ANAPHORA