But over the course of the shoot Kelly's obstinacy would prove problematic.

But the filing also makes clear that additional asset sales could prove problematic.

On the basis of their vacillating performance to date, that will prove problematic.

Stifling heat and humidity could also prove problematic to Clarke and his team.

The septic tank could also prove problematic if you buy an old cottage.

Should it prove problematic, the new biological body can easily be restrained or destroyed.

Selling shares in joint ventures could prove problematic if foreign partners did not agree.

This may prove problematic later in the fire season.

These particles can prove problematic - and even limit the life of - spacecraft systems.

Oxygen masks are an option, should ventilation prove problematic.

An overly soft or tacky dough would prove problematic.

Mario Mandzukic is a great focal point up front, but an immobile backline could prove problematic.

QUOTAS Some lawyers said that even a binding rule on hiring more women could prove problematic.

But in a filing on Tuesday it also makes clear that additional asset sales could prove problematic.

While his size is an advantage on the rugby field, it can also prove problematic off it.

This may prove problematic with global companies.