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:Willamson , The Williamson Amplifier - A collection of articles reprinted from Wireless world , ( Reprint 1994 ) . Sentence 2:nan

SOLUTION: SINGLE_APPOSITION

PROBLEM: Sentence 1:U.S. Attorney General Harry M. Daugherty ordered liquor off of all American ships throughout the world and prohibited foreign ships carrying liquor from entering American waters . Sentence 2:A Supreme Court decision in April 1923 would allow American ships three miles outside of American waters to sell liquor .

SOLUTION: PAIR_ANAPHORA

PROBLEM: Sentence 1:His father was a ploughmaker who developed a business making agricultural implements . Sentence 2:Bentall was educated at private schools at Maldon and Brentwood and at the age of 22 went into his father 's business as an engineer .

SOLUTION:
PAIR_NONE