anchor: If you want to catch the high-speed AVE train to Cordoba and Seville, or other trains to the south of Spain, this is where you'll need to go.
positive: This is where you'll need to go if you want to catch the high-speed AVE train to Cordoba and Seville, or other trains to the south of Spain.
negative: From here one can catch trains to the north of Spain, but not to the south.