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'.
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Question: Sentence 1:In 1757 he succeeded his elder brother as the 7th Baron Digby but as this was an Irish peerage it did not entitle him to sit in the British House of Lords and did not force him to resign his seat in the House of Commons . Sentence 2:nan

Answer: SINGLE_S_COORD


Question: Sentence 1:For large numbers , the Poisson distribution approaches a normal distribution about its mean , and the elementary events ( photons , electrons , etc . ) are no longer individually observed , typically making shot noise in actual observations indistinguishable from true Gaussian noise . Sentence 2:nan

Answer: SINGLE_S_COORD


Question: Sentence 1:One of these was the Lion of Belfort , a monumental sculpture carved in sandstone below the fortress of Belfort , which during the war had resisted a Prussian siege for over three months . Sentence 2:nan

Answer:
SINGLE_APPOSITION