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:Que'er , a quirky bird demon , rescues Xiaowei , and the two leave in search of a man who is willing to give his heart to Xiaowei so that she may become human . Sentence 2:nan
[EX A]: SINGLE_CONN_INNER_ANAPHORA

[EX Q]: Sentence 1:Although Eastwood was able to convince Siegel not to have Callahan toss the badge , when the scene was filmed , Eastwood changed his mind and went with Siegel 's preferred ending . Sentence 2:nan
[EX A]: SINGLE_CONN_START

[EX Q]: Sentence 1:This enabled the business model of Sausage Software , which was to give away something of value for free , but time limit its use to 30 days . Sentence 2:nan
[EX A]:
SINGLE_RELATIVE