context: How to determine which pool algaecide and pool clarifier is best for your swimming pool
Add preventative algaecide to your swimming pool on a weekly basis if you regularly experience problems with algae growth.
If you have never had an algae problem in your swimming pool, there is no need for the algaecide.
Realize that if you have algae right now, you may need to use an algaecide.

OPTIONS:
- Know how to know when to seek professional assistance. Algae growth happens not commonly in pools.
- Algae tends to get in the way of chlorinating materials (if water has built up in your pool). Algae often gets stuck in the tips of pool grates.
- Some algaecides are preventative and others are used to treat an algae problem. Once algae has grown in your swimming pool, only a treatment algaecide combined with shocking will kill the algae.
- The algaecide and pool clarifier often contain saline. These saline tablets are, however, available to purchase at pool shops or online.
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next sentence for the context: Some algaecides are preventative and others are used to treat an algae problem. Once algae has grown in your swimming pool, only a treatment algaecide combined with shocking will kill the algae.

context: The man picked up the frisbee and play with it as the dog followed it. the man

OPTIONS:
- was walking around the area where the frisbee is thrown.
- kept playing with his frisbee and letting the dog touch it.
- then slide the frisbee across the grass towards the dog and sit on the grass, he is then approached by a woman and wait.
- threw the frisbee and the dog catch it and bring back to the man.
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next sentence for the context: threw the frisbee and the dog catch it and bring back to the man.

context: How to travel in cambodia
Pack the right clothes for the climate and culture.
Cambodia is hot hot hot, and the humidity will sap your energy more quickly than you think. Unless you're in the capital city of phnom penh, you will rarely, if ever, see locals wearing sleeveless or above-the-knee garments.

OPTIONS:
- Shop for fashionable clothing throughout the large city-anytime is great, no matter where it is. A good way to avoid clothes that smell.
- Over the course of the day, introduce yourself and check-in into your hotel for a taste of something delicious. If you're a tourist in peru, start the day with a high-quality, natural carbohydrate-rich breakfast.
- When you arrive, alert a guard at the entrance. Once you're there, grab a beverage that you'll need.
- If you dress inappropriately, you may be denied entrance to religious sites, and you will be a more obvious tourist target for scammers. Instead, wear loose, flowing clothes that promote airflow, such as linen trousers or cotton blouses.
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next sentence for the context: If you dress inappropriately, you may be denied entrance to religious sites, and you will be a more obvious tourist target for scammers. Instead, wear loose, flowing clothes that promote airflow, such as linen trousers or cotton blouses.

context: A body of water is shown below the trees. A person is walking on a slack line over the water. they

OPTIONS:
- fall and get not footing sitting on the water.
- take the slack line and dip it into the water.
- get to the end of the slack line.
- stand on the slack line and begin pulling the body of water.
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next sentence for the context:
get to the end of the slack line.