41. The conflict in the impoverished Central Asian republic is a complex one that involves clan, regional, and ethnic loyalties.
42. The issue of reconciliation is also a very complex one, according to Kagame.
43. The local rice trade is a complex one given its large number of players and layers.
44. The larger molecules are reduced to smaller ones, which later recombine to form complex ones such as humus in the soil.
45. The world of charity is said to be a very complex one.
46. I think the game is a complex one.
47. The operation to secure the airport was the biggest and most complex one since the Marines landed in Afghanistan three weeks ago.