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'.

Input: Consider Input: Sentence 1:Its dial is rotated so that the current atmospheric pressure from a known accurate and nearby barometer . Sentence 2:nan

Output: SINGLE_CONN_INNER


Input: Consider Input: Sentence 1:It was rumored at the time that he was appointed bey only because his uncle was not killed . Sentence 2:nan

Output: SINGLE_CONN_INNER


Input: Consider Input: Sentence 1:Mark Gruenwald created Flag - Smasher as a character in the tradition of the Red Skull : a villain with a symbolic aspect that would make him a nemesis specifically for Captain America . Sentence 2:Whereas the Red Skull symbolizes Nazism , Flag - Smasher symbolizes anti-patriotism .


Output: PAIR_CONN