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:Since the 2006 Palestinian legislative election and the formation of a Hamas government in the PA , Israel has regularly withheld the taxes it owes the PA . Sentence 2:nan
SINGLE_CONN_START

Sentence 1:An eager vigilante is causing a stir in the city , while Krang and Shredder take control of all the machines in the city . Sentence 2:nan
SINGLE_CONN_INNER

Sentence 1:The GMK Rekord was based on the German - designed Opel Rekord D. In August 1975 , a version of the Rekord , known as the Rekord Royale was launched by GMK . Sentence 2:nan

SINGLE_APPOSITION