Complex sentence: Ofcom received complaints from veiwers about judges Amanda Holden and Alesha Dixon's low-cut dresses during the live broadcast, and claimed that it was not suitable for a family show that started before the watershed.
Split into simpler sentences: Ofcom received complaints from viewers about judges Amanda Holden's and Alesha Dixon's low-cut dresses during the live broadcast. Complaints claimed that the dresses were unsuitable for a family show that started before the watershed.