Sentence examples for challenge concern from inspiring English sources

So what does the challenge concern?

A third challenge concerns the depth of democracy.

MG Rover's greatest challenge concerns economies of scale.

The second challenge concerns the biological system used.

The major challenge concerned the quality of the DTM.

But the most powerful challenge concerns the meaning and value of happiness.

Another challenge concerns short-termism regarding corporate investments in compliance activities and systems.

HP: Another distinctive geriatric challenge concerns the situation of the caregiver.

The biggest challenge concerns European Parliament elections that are scheduled for the end of May.

Argumentation mining is a recent challenge concerning the automatic extraction of arguments from unstructured textual corpora.

Our next challenge concerns another parenthetical siren, also subject to semantic creep: reader, how would you clue TRIGGER WARNING?