instruction:
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'.
question:
Sentence 1:Mahishasur gets into deep Tapasya to Brahma and receives a boon that only a Female having the powers of Tridevs can kill him . Sentence 2:Meanwhile , Parvati is born to a fisherman named as Matsya Parvati .
answer:
PAIR_CONN


question:
Sentence 1:Schizachne is a genus of Eurasian and North American plants in the grass family . Sentence 2:The only accepted species is Schizachne purpurascens , commonly called false mesic .
answer:
PAIR_ANAPHORA


question:
Sentence 1:In April 1933 , Farnsworth submitted a patent application entitled Image Dissector , but which actually detailed a cathode ray tube ( CRT ) camera tube . Sentence 2:nan
answer:

SINGLE_S_COORD