def _get_tense(cls, parse, token_indices, use_gold=False): if len(token_indices) == 1: return 'one_token' parse_tree = Tree(parse['parsetree']) start_index = min(token_indices) end_index = max(token_indices) + 1 tree_position = parse_tree.treeposition_spanning_leaves(start_index, end_index) arg_subtree = parse_tree[tree_position] return cls._recurse_search_tag(arg_subtree, ['VP'], [])
