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:Supposedly invented by Leonardo da Vinci , the Italian Renaissance man , the wheellock action was an innovation that was not widely adopted due to the high cost of the clockwork mechanism . Sentence 2:nan
[EX A]: SINGLE_APPOSITION

[EX Q]: Sentence 1:The bronze sculpture was created in 1927 and dedicated on July 5 , 1930 . Sentence 2:nan
[EX A]: SINGLE_VP_COORD

[EX Q]: Sentence 1:Ojiugo is Idu 's childhood friend . Sentence 2:However , after six years and no children , Ojiugo leaves Amarajeme to live with her husband 's friend in order to fulfill her dream of motherhood .
[EX A]:
PAIR_CONN