Please choose the correct ending to complete the given sentence: Health: [header] How to travel with contact lenses [title] Bring enough solution for your whole trip. [step] Even within the same country, your brand of contact solution might not be available everywhere. To ensure that you do not run out, bring enough solution for the entire trip.

Ending1: It is better to pack too much than too little. Just remember that if you need to take more than 3 oz. Ending2: Once you've narrowed your list down to a particular quality, see if any places open to apply contact solution. [title] Get 5-15 minutes to yourself. Ending3: [title] Make sure your brand of contacts has a waterproof coating. [step] Check with the brand representative to determine if it is waterproof. Ending4: This is what you will be drinking, which you need to quickly melt into liquids. [title] Let the solution sit in your eye for ten minutes.

Answer format: ending1/ending2/ending3/ending4