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:Other musicians involved with the album include songwriter Marti Frederiksen , Swedish band Hardcore Superstar and Sixx : A.M. Sentence 2:members James Michael and DJ Ashba
[A]: PAIR_NONE


[Q]: Sentence 1:They have very little offensive capability but they have sharp teeth that can bite through steel cable and inflict nasty wounds . Sentence 2:nan
[A]: SINGLE_S_COORD


[Q]: Sentence 1:The play was crucial to Michael Caine 's career because it was highly acclaimed and increased his visibility . Sentence 2:nan
[A]:
SINGLE_CONN_INNER_ANAPHORA