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'.

Example Input: Sentence 1:Florence Maccarthy Reagh is said to have urged Wilmot 's assassination at this time , but he was warned by Florence 's wife . Sentence 2:On 8 December he was granted the office of constable of Castlemaine Castle , and in July 1601 was appointed governor of County Cork .
Example Output: PAIR_ANAPHORA

Example Input: Sentence 1:This continued until The Rock delivered a DDT on Cena . Sentence 2:But instead of pinning Cena , Rock instead went for a fourth Rock Bottom and Cena countered with a third AA to win the match and the title .
Example Output: PAIR_CONN_ANAPHORA

Example Input: Sentence 1:Admitting that Owen was innocent , they laid the crime on him . Sentence 2:nan
Example Output:
SINGLE_CATAPHORA