TASK DEFINITION: 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'.
PROBLEM: Sentence 1:The online magazine for gay gamers , GayGamer.net commented that , while Tolkien was a devout Christian . Sentence 2:nan

SOLUTION: SINGLE_CONN_INNER

PROBLEM: 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

SOLUTION: PAIR_NONE

PROBLEM: Sentence 1:A special cloud falls out of the sky and lands on Tinky Winky 's head . Sentence 2:Tinky Winky shows his special cloud to the others and they all think it is beautiful .

SOLUTION:
PAIR_ANAPHORA