Answer:
B. El sombrero de Pedro es más oscuro que el sombrero de Marta.
The answer is A. playing soccer
This is because in casas de cultura or infact whole of Spain soccer is reaally dominant and one of the most vital sports out there.
Also, over there soccer is really promoted with teams like Barcelona and Real Madrid playing all in the Spanish League with famous superstars such as Messi, Modric and Griezman.
Kids lookup to them as their role models and start soccer at high school level.