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'.

Sentence 1:For people in Westernized countries , laughter is a sign of amusement , but in some parts of Africa it is a sign of wonder or embarrassment . Sentence 2:nan
SINGLE_S_COORD_ANAPHORA

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
SINGLE_S_COORD

Sentence 1:Born in Montevideo , Sosa started his career in Danubio at the age of 15 , being one of the youngest footballers to play in the Uruguayan First Division . Sentence 2:He played for Danubio from 1982 to 1985 , when he was transferred to Spain 's Real Zaragoza .

PAIR_ANAPHORA