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:However , becoming self - aware , the Kyodain had other plans and fatally injured Blink . Sentence 2:The Space Ironmen are an homage to the characters from Space Ironmen Kyodyne , which was created by Shotaro Ishinomori .

Answer: PAIR_NONE

Question: Sentence 1:In Saccharomyces cerevisiae ( Baker 's yeast ) , the transcriptional regulation of the INO1 gene encoding inositol - 3 - phosphate synthase has been studied in detail and its expression is sensitive to the availability of phospholipid precursors as well as growth phase . Sentence 2:nan

Answer: SINGLE_S_COORD_ANAPHORA

Question: Sentence 1:Regiments were divided into companies and led by Captains , who ranked Equivalent to 2,000 - dan , while companies were further divided into platoons . Sentence 2:nan

Answer:
SINGLE_RELATIVE