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:Although Iotapa was annexed along with the Kingdom of Commagene by Roman Emperor Vespasian in 72 , Iotapa became a central city where coins were minted . Sentence 2:nan

SOLUTION: SINGLE_CONN_START

PROBLEM: Sentence 1:Andrews was shunned by his parents after this and they died before a reconciliation . Sentence 2:nan

SOLUTION: SINGLE_S_COORD_ANAPHORA

PROBLEM: Sentence 1:The first thematic group is striking for the breadth of its melodic content , which is not usual for any symphony , and is not found in Enescu 's previous four essays in the form . Sentence 2:nan

SOLUTION:
SINGLE_RELATIVE