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:This was at the time Germany 's highest placement at Eurovision . Sentence 2:The German jury awarded its highest mark of 4 to the United Kingdom .

Answer: PAIR_ANAPHORA


Question: Sentence 1:By May , negotiations had led the government to agree to support the Nasir group against Garang . Sentence 2:However , support for an attempt to remove Garang fell among other SPLA commanders , who felt that a coup attempt would further weaken the movement .

Answer: PAIR_CONN


Question: Sentence 1:If subjected to cold drawing afterwards , the fibers align further , increasing their crystallinity , and the material acquires additional tensile strength . Sentence 2:nan

Answer:
SINGLE_S_COORD