He has also played one game the wing, though his lack of pace proved problematic.

This has proved problematic as the city attempts flood control.

As usual, the parents proved more problematic than the children.

While collective security is an idea with a long history, its implementation in practice has proved problematic.

Beyond those issues, however, are a number of legal hurdles that could prove problematic.

And if enough snow fell in the next few days, that could prove problematic.

This has proved problematic to players who do not have a large amount of friends.

Even land that was once used for farming could prove problematic.

The agreements with the three university libraries have proved more problematic.

For the offense and defense the running game proved problematic.