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:Players , which have officially retired from the national team , are considered as inactive despite of the date of the last game . Sentence 2:nan
SINGLE_RELATIVE

Sentence 1:Japiya Burns of The Michigan Daily was critical of Carey 's portrayal in the video , primarily her double - handkerchief bra . Sentence 2:He felt that in doing so , Carey was cheapening herself and her image to resemble younger pop singers such as Britney Spears .
PAIR_ANAPHORA

Sentence 1:Receiving a warning from Galactor , the Science Ninja Team mixes with the other citizens and starts to investigate . Sentence 2:But thinking this might be a Galactor trap , they take off their bracelets and split up in the city .
PAIR_CONN_ANAPHORA