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 Input:
Sentence 1:At the opening bell , Liston rushed at Clay , seemingly angry and looking for a quick knockout . Sentence 2:However , Clay 's superior speed and mobility enabled him to elude Liston , making the champion miss and look awkward .

Ex Output:
PAIR_CONN_ANAPHORA


Ex Input:
Sentence 1:Matthews scored 20 points against North Florida in his first game at Michigan on November 11 , 2017 . Sentence 2:In the game , he and Duncan Robinson became the first Michigan teammates to score 20 points in a game since March 3 , 2015 .

Ex Output:
PAIR_ANAPHORA


Ex Input:
Sentence 1:Meanwhile , it is revealed in the news that Hans has finally admitted to killing his wife because she was going to leave him and take his kids and he killed her in anger . Sentence 2:nan

Ex Output:

SINGLE_CONN_INNER_ANAPHORA