Peter has complex relationships with all three of his children.

The legal issues are simple, but they involve complex relationships between a number of parties.

It is hard to imagine another city in England which has a more complex relationship with its own football team.

You know that this has been a difficult and complex relationship.

Their approach offered little chance of understanding complex ecological relationships.

This historically complex relationship has made them have a very common cultural background.

Tourism, like other cultural industries, had a close and complex relationship to the state.

In fact, the cases seem to have a more complex relationship than it first appears.

The artist has a spirited and complex relationship with his former wife.

"China and Japan over the past 100 years have had a very complex relationship," he said.