TASK DEFINITION: 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'.
PROBLEM: Sentence 1:The Confederate force , which actually numbered about 4,000 men , was led by Col. Lawrence O'Bryan Branch . Sentence 2:nan

SOLUTION: SINGLE_RELATIVE

PROBLEM: Sentence 1:Where there are more than two vowels , the first vowel is stressed if it is long or it is directly followed by two consonants . Sentence 2:nan

SOLUTION: SINGLE_S_COORD

PROBLEM: Sentence 1:Jerry tries to get Newman to get rid of the mail ; however , he 's not interested because he did n't get the transfer to Hawaii . Sentence 2:nan

SOLUTION:
SINGLE_CONN_INNER_ANAPHORA