1.   Although calibration complicates the process of interpreting the radiocarbon results, it is essential.

2.   But these raw ingredients complicated the process.

3.   It was then that she reflected how complicated a process it was, this travelling by tube.

4.   The new editorial policy complicates the process of producing authorised versions, but it does not substantially change it.

5.   Distribution of the creation and storage of information, whether text, data, or some other form complicates the process of preservation.

6.   At the University of Massachusetts, that much success at the start of the season complicates the process.

7.   But questions about whether the United States is seeking special treatment could complicate the process, diplomats and trade officials in Europe said.

8.   But lingering questions about whether the United States is seeking special treatment could complicate the process, diplomats and trade officials in Europe said.

9.   Complicating the process is the fact that the survivors did not have a chance to say goodbye.

10.   Complicating the process is that the second-largest local creditor, Allied Bank, is owned by Tan, who also owns the airline.