Complex sentence: After 1.d4 d5 2.c4 dxc4, the most popular move is 3.Nf3, but there are other moves which have been played by strong grandmasters.
Split into simpler sentences: After 1.d4 d5 2.c4 dxc4, the most popular move is 3.Nf3. However, there are other moves which have been played by strong grandmasters.