Task: Discourse Relation Classification
Input (English): Sentence 1:During Walsall 's 2 -- 1 victory at Leeds United on 16 February 2010 he picked up a hamstring injury and he returned to the team after entering a 2 -- 0 defeat at Leyton Orient on 13 March as a 77th - minute substitute . Sentence 2:nan
Output (English): SINGLE_S_COORD