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:Constantine was appointed to the BBC 's General Advisory Committee in 1966 and became a BBC Governor two years later , although declining health restricted his involvement . Sentence 2:nan

A: SINGLE_CONN_INNER_ANAPHORA
****
Q: Sentence 1:A server becomes a candidate if it receives no communication by the leader over a period called the election timeout , so it assumes there is no acting leader anymore . Sentence 2:nan

A: SINGLE_S_COORD_ANAPHORA
****
Q: Sentence 1:Saryupareen Brahmins were involved in the learning about the Vedas and spreading knowledge of Vedas and other religious things . Sentence 2:So they do not perform ' pujas ' , they do not take dakshinas or donation .

A:
PAIR_ANAPHORA
****