Complex sentence: However, another PDP gubernatorial aspirant, Senator Ayogu Eze, who was not happy with the conduct of the primary went to court to challenge the legitimacy of Ugwuanyi's emergence as the PDP's flag-bearer for Enugu State governorship.
Split into simpler sentences: However, another PDP gubernatorial aspirant, Senator Ayogu Eze, was not happy with the conduct of the primary. Eze went to court to challenge the legitimacy of Ugwuanyi's emergence as the PDP's flag-bearer for Enugu State governorship.