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:Here he had a dispute with a neighbour about water rights , which led to a lawsuit and a challenge , although the English Consul Kirkup succeeded in arranging the point of honour satisfactorily . Sentence 2:nan

A: SINGLE_RELATIVE
****
Q: Sentence 1:In February 2016 in response to a question about a reported 137 % budget overrun on public project which had been the subject of much public criticism she suggested that this was normal and it should not be a source for concern . Sentence 2:nan

A: SINGLE_S_COORD_ANAPHORA
****
Q: Sentence 1:When Purvis was released he was unable to even play a chord and he required some months of physical therapy at the Army Rehabilitation Center in Santa Barbara , California before he could resume his career . Sentence 2:nan

A:
SINGLE_S_COORD_ANAPHORA
****