Please choose the correct ending to complete the given sentence: Health: [header] How to treat traveler's diarrhea [title] Replace your fluids. [step] The most critical part of home treatment for traveler's diarrhea is to replace fluids. Drink lots and lots of water, at least two to three quarts a day.

Ending1: If necessary, add for constant use and replace. Traveler's diarrhea is caused by cells " cracking " under the skin and not getting enough fluids from water. Ending2: This can help replace lost fluid throughout the day. [substeps] You should be drinking a light watermelon water supplement daily to help replenish fluid lost through diarrhea. Ending3: This is the best fluid to put into your body when you have traveler's diarrhea. You can also drink diluted fruit juices, green, black, or herbal tea, or clear chicken, vegetable, or beef broths. Ending4: [substeps] You should also drink room temperature liquids such as decaf coffee and tea. If you have diarrhea after a meal, try adding flavored fluids such as lemon or orange juice to improve your water intake.

Answer format: ending1/ending2/ending3/ending4