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:Players , which have officially retired from the national team , are considered as inactive despite of the date of the last game . Sentence 2:nan
SINGLE_RELATIVE

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

Sentence 1:It is a ritualistic artform performed by rigorous training by artists . Sentence 2:It is evolved during ancient times as a sort of entertainment for the local communities and act as a mode of get together for them .

PAIR_ANAPHORA