"Let’s consider the following advantages and disadvantages of test independence:

i. Testers work in a different location than developers.

ii. Testers challenge the assumptions made by developers when writing code.

iii. The relationship between testers and developers is confrontational.

iv. Developers come to believe that testers are primarily responsible for quality.

v. Testers make different cognitive errors than developers.

Which of the mentioned elements should be considered advantages of test independence?