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'.

Input: Consider Input: Sentence 1:Durgapur is by far the most industrialised city in eastern India and the second planned city in India . Sentence 2:It started with the first prime minister of independent India , Jawaharlal Nehru .

Output: PAIR_ANAPHORA


Input: Consider Input: Sentence 1:The Eagles , are led by thirteenth year head coach Wendy Schuller and play their home games at Reese Court . Sentence 2:nan

Output: SINGLE_VP_COORD


Input: Consider Input: Sentence 1:Because of self - irradiation , a sample of plutonium fatigues throughout its crystal structure , meaning the ordered arrangement of its atoms becomes disrupted by radiation with time . Sentence 2:nan


Output: SINGLE_CONN_INNER_ANAPHORA