Multi-choice problem: Continue writing the next sentence in this paragraph:

How to cruise to antarctica
Pick a luxury cruise for comfort and sightseeing.
Go with this to enjoy all the amenities of your classic luxury cruise ship, including room service, dining facilities, and spacious cabins. However, be aware that luxury ships are generally too big to actually land on antarctica, so only decide on this if you're content with just seeing it, rather than setting foot on it.

OPT:
[1]. In general, luxury cruise ships are less crowded than automobile luxury. Additionally, you don't have to visit rockport to see resorts, attractions, and amenities.;
[2]. Every luxury cruise cruise has at least 10 , 000 passengers, so budget accordingly. Try shopping around to get the most comfortable, most basic cruise rail fare.;
[3]. In the meantime, enjoy lectures from experts on the continent and its wildlife to complement the breathtaking vistas. Opt for a fly-cruise to avoid the sea passage.;
[4]. Map out your cruise schedule for your trip. Do this especially if you're traveling on foot into antarctica.;
[3].