This relationship is complicated by the fact that they live in different states, and they can only spend limited amounts of time together.
Their relationship was complicated by Alan's interest in her.
Furthermore, the relationship between genetics and environmental factors may be complicated.
The relationship of a former slave to her patron could be complicated.
But even so, the relationship between video games and television is tense and complicated here.
The relationship between man and sports car will always be complicated.
After being together for several months, their relationship began to fall apart and is complicated by people involved in their lives.
The relationships in a stable ecology can be complicated.
Between Armstrong and the French, the relationship can be complicated.
Their relationship was complicated by his drug and alcohol addiction, but eventually he became sober.