TASK DEFINITION: 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'.
PROBLEM: Sentence 1:Sydney Thunder , the Women 's Big Bash League champions , signed her for the 2016 -- 17 season. On 20 July 2017 she scored 171 * ( 115 ) against Australia in the 2017 Women 's Cricket World Cup semi-final in Derby . Sentence 2:nan

SOLUTION: SINGLE_APPOSITION

PROBLEM: Sentence 1:Mala and her Dragon Worshippers have the riders at sword point , but Hiccup proposes a ceasefire and convinces Mala to trust them as they set out to retrieve the Eruptodon while Heather and the twins help stop the lava flow . Sentence 2:nan

SOLUTION: SINGLE_S_COORD_ANAPHORA

PROBLEM: Sentence 1:Meanwhile , Cammie feels increasingly deserted by her friends : Dee is enamored with her new boyfriend , Stevie , while Sam seems to be showing interest in Adam Flood . Sentence 2:nan

SOLUTION:
SINGLE_CONN_INNER