Answer: Lolita and her sister most likely be interested in swimming competitions.
Explanation: The text says "Hey, fellas! My name is Lolita and last year my sister and I spent a week in a cabin in El Parque Nacional de Sierra Nevada, Spain. The cottage had an area with swimming pool. The cottages had internet service. The cabin had a private kitchen, and in the morning, my sister I cooked chocolate with churros before competing in the pool. In the evening, we would go to town to eat paella and gazpacho."