Complex sentence: The participants of the Model simulated sittings of the European Parliament and the Council of the European Union were given the opportunity to grasp the work of the EU institutions in practice to develop their skills in EU law as well as debating and negotiating at the EU level.
Split into simpler sentences: The participants of the Model simulated sittings of the European Parliament and the Council of the European Union. They were given the opportunity to grasp the work of the EU institutions in practice to develop their skills in EU law as well as debating and negotiating at the EU level.