Baseball is not a popular activity in China
If we look at the lyrics or verses of Ophelia's song, we could presume that the theme would be either chaos, demise, Or lonely love. As a result of this song, Men on the court reports that Ophelia has turned out to be pitiable crazy and her psychological states could pull in a few inconveniences to herself and the crown.
I’ve never read the story but from all of the options here I would say the 4th one. “She trust Aaron to treat her well” If you don’t think so, my second option would be “She enjoys the cold and the snow.”