def extract_named_entity(line):
	"""
	Extracts named entity from current line if present.

	Args:
		line (str): Current line

	Returns:
		tuple: Named entity in this line and its NE tag
	"""
	line_parts = line.split("\t")
	feature = line_parts[3]
	if feature != "O":
		return line_parts[0], line_parts[3]