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:Lovegrass is the fifth studio album by Australian country music singer Sara Storer . Sentence 2:It was released in August 2013 and peaked at number 25 on the ARIA Charts .

Ex Output:
PAIR_ANAPHORA


Ex Input:
Sentence 1:In 1957 he even advocated in talks with Israeli officials that Arab Christians in Israel be drafted for military service . Sentence 2:However , his suggestions were unpopular with both the Israeli government and Israeli Arab political leaders .

Ex Output:
PAIR_CONN_ANAPHORA


Ex Input:
Sentence 1:The school was converted to academy status in August 2012 , and became a member of the Sigma Multi Academy Trust on 1st June 2017 . Sentence 2:nan

Ex Output:

SINGLE_VP_COORD