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:Matthews scored 20 points against North Florida in his first game at Michigan on November 11 , 2017 . Sentence 2:In the game , he and Duncan Robinson became the first Michigan teammates to score 20 points in a game since March 3 , 2015 .

A: PAIR_ANAPHORA
****
Q: Sentence 1:Bode and Chub steal a motorboat and plan to make a refuge on Pearl Key , a small island in Florida Bay . Sentence 2:However , because of their inept navigational skills , Tom and JoLayne easily follow them in a boat of their own .

A: PAIR_CONN
****
Q: Sentence 1:Although she was never married to a president , she is the youngest woman ever to hold the title of First Lady . Sentence 2:nan

A:
SINGLE_CONN_START
****