(2005), such as the lemma/POS tag of the current/previous/next token, the lemma of predicate and its combination with the lemma/POS tag of the current token, the voice of the predicate (active/passive), the distance between the current token and the predicate, the relative position of the current token to the predicate, and so on.
as shown in Table 1, our system performs much better than the baseline on the goldstandard dataset in terms of all metrics.