Sentence:  The Premier League leaders did what many people thought was beyond them in their last European excursion, at the home of Borussia Dortmund, and they made light work of overcoming Marseille on a night when the one-sidedness was not reflected by their <WSD>inability</WSD> to add to Jack Wilshere's two goals. 
Meaning of the word marked with <WSD> tags:  Lack of the ability to do something; incapability.