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:One word of each pair is presented in a random order and the participant is asked to recall the item with which it was originally paired . Sentence 2:nan

Output: SINGLE_S_COORD_ANAPHORA


Input: Consider Input: Sentence 1:Descriptions of registered cultivars . Sentence 2:Retrieved 2006 - 11 - 15 .

Output: PAIR_NONE


Input: Consider Input: Sentence 1:Rogers Road was originally a wagon - track in the late 19th century , and Eubanks Road contained a small school founded by a former slave . Sentence 2:nan


Output: SINGLE_S_COORD