Read the dialog and fill in the gaps.

Woman: What can I use to make a website?
Man: I would use ____ Blogger ___ WordPress.
Woman: Which one is better?
Man: It depends on whether you are making a simple site or a complex site.
Woman: I am making a simple site.
Man: Then I would use Blogger.
Source: soundgrammar.com
The correlative conjunctions suitable to fill in the blanks are ....