@SuppressWarnings("unchecked")
public void convert_string(ArrayList<?> attr, String col, ArrayList<String> al)
throws SQLException {
if (col.equals("birth")
|| col.equals("purpose")
|| col.equals("destruction")
|| col.equals("agent")
|| col.equals("destination")
|| col.equals("instrument")
|| col.equals("location")
|| col.equals("patient")
|| col.equals("product")
|| col.equals("source")
|| col.equals("theme")) Artifact.string2artifact(al, col, (ArrayList<Artifact>) attr);
else Action.string2action(al, col, (ArrayList<Action>) attr);
}
