The distinction between race and ethnicity is considered highly problematic.

The option to match the offer appears to be a highly problematic.

Whether the two sides can work out their differences on this count is highly problematic.

In fact, such claims are not simple; they are highly problematic.

The reading of the events described on the tablets is highly problematic.

The position and dating of the king is highly problematic.

"Moving toward a 16-team playoff is highly problematic because I think that's too much to ask a young man's body to do."

Such elements make the whole reconstruction effort highly problematic, yet I have heard very little said about them, especially in public speeches.

I do not need to tell you, Commissioner, that the context is highly problematic.

Usage of this road is highly problematic for Palestinians, although they do have a legal right to use it.