Complex sentence: The union in 2007 resolved a pay equity dispute that had dogged the University for two years which led a number of political and entertainment figures to refuse to cross an informational picket for the purpose of giving keynote speeches at graduation ceremonies.
Split into simpler sentences: The union in 2007 resolved a pay equity dispute that had dogged the University for two years. It led a number of political and entertainment figures to refuse to cross an informational picket for the purpose of giving keynote speeches at graduation ceremonies.