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:Sakhr was wounded in the process and died of his wounds a year later . Sentence 2:nan

A: SINGLE_VP_COORD
****
Q: Sentence 1:Michael Richards hurt his back during the scene in which Jerry attempts to pull Kramer 's jeans off . Sentence 2:However , he was still able to finish filming for the episode .

A: PAIR_CONN_ANAPHORA
****
Q: Sentence 1:The current hospital complex dates from 1980 but is currently being expanded and rejuvenated according to a plan by C.F. Sentence 2:nan

A:
SINGLE_VP_COORD
****