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'.

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
SINGLE_S_COORD_ANAPHORA

Sentence 1:John Payne , who played soprano saxophone on this song , says there was a long section at the end of this song that was cut off . Sentence 2:nan
SINGLE_RELATIVE

Sentence 1:In Renoir 's movie La Grande Illusion , Stroheim speaks German with a strong American accent . Sentence 2:Similarly , in his French - speaking roles , von Stroheim speaks French with pronounced American accent .

PAIR_CONN_ANAPHORA