only expand arguments with these role labels
only expand arguments of mentions with these specified labels
the valid/invalid incoming/outgoing dependencies for expansion
max number of dependency edges will traverse during expansion
Expand the arguments of a single mention.
Expand the arguments of a single mention. If there is a trigger, the trigger limits the expansion. The arguments closest to the trigger are expanded first.
mention with arguments to expand
all mentions currently in state
mention with expanded args, as well as the expanded args themselves
Expander used to expand the arguments of Relation and EventMentions.