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'.

[Q]: Sentence 1:GM executives decided that engineering effort would best be spent on aerodynamics and chassis development . Sentence 2:They created a modern platform , so that when engine technology advanced , they would have a well - balanced package with acceleration , braking , handling , and aerodynamics .
[A]: PAIR_ANAPHORA


[Q]: Sentence 1:Bordering the Whanganui River , it incorporates areas of Crown land , former state forest and a number of former reserves . Sentence 2:nan
[A]: SINGLE_CATAPHORA


[Q]: Sentence 1:She is a pastiche of Daphne Blake and Patty Hearst , an heiress who was kidnapped by the Symbionese Liberation Army and then joined them in a series of crimes , during which time it is believed she suffered from Stockholm syndrome . Sentence 2:nan
[A]:
SINGLE_APPOSITION