Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4/4...Bg7/5. Nf3/5...c5/6. dxc5

=Austrian Attack:Dragon=

6.dxc5
White chooses the simplest option, taking the pawn. Black's next move wins back a pawn and achieves a better pawn structure. The other option for White would be to ignore Black's threats and lose the pawn, in addition to getting an inferior position.

Theory table
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.dxc5