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:Some people have claimed that members of Operation Vanguard have been meting out selective punishment to galamseyers . Sentence 2:Unproven allegations of bribe - taking have been leveled against some service men of the operation .

A: PAIR_NONE
****
Q: Sentence 1:Matthias , who suffered from gout , could not walk and was carried in a litter after March 1489 . Sentence 2:nan

A: SINGLE_RELATIVE
****
Q: Sentence 1:They were overly optimistic about future financial support for UM because the South Florida land boom was at its peak . Sentence 2:nan

A:
SINGLE_CONN_INNER_ANAPHORA
****