Please choose the correct ending to complete the given sentence: Travel: [header] How to pack for a whale watching trip [title] Dress in layers. [step] It is usually colder out on the water than it is inland or even on the shore. You will want to wear several layers to keep yourself warm during your trip.

Ending1: You don't want to be too cold, either, so plan to pack a broad vest and some thermal underwear. [substeps] See below for temperatures you would not normally expect at a whale watching trip. Ending2: Most just layer first to be sure you have all the materials needed for the day. [substeps] Avoid baggy bottoms; instead, try shorts and a tank top. Ending3: To be safe, expect the temperature to be 20-30 ° f (11-16 ° c) colder on the water. [substeps] Some useful layering items include sweaters, sweatshirts, scarves, and flannel shirts. Ending4: Wear just a light sweater or tank top, or a light jacket. [substeps] You may want to wear jeans or a light jacket but it doesn't matter.

Answer format: ending1/ending2/ending3/ending4