code: def clean_group(phrase_group):
      """
      Returns the shortest element in a group of phrases
  
       Args:
           phrase_group (String): a group of phrases separated by ';'
  
       Returns:
           The shortest phrase in the group (String)
      """
      text = [x.lstrip() for x in phrase_group.split(";")]
      return min(text, key=len)
  
imports: import argparse
  import csv
  import logging
  import operator
  import os
  import sys
  from os import path
  from pathlib import Path
  from shutil import copyfile
  import numpy
  import pandas
  from sklearn.manifold import TSNE
  from nlp_architect import LIBRARY_OUT
  from nlp_architect.utils.embedding import FasttextEmbeddingsModel
  from nlp_architect.utils.io import check_size, validate_existing_filepath
  from nlp_architect.utils.text import simple_normalizer
label_desc: Use image node_id 7 for calling a global function with example usage: clean_group(phrase_group) and returns: min