In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[EX Q]: [header] How to choose the best hula hoop (adult sized ) [title] Measure your height from the floor to your belly button. [step] This measurement will then help to determine the diameter of the hoop you should purchase. The hula hoop, when resting vertically on the ground, should reach somewhere between your waist and mid-chest. <sep> (A) [substeps] Example: if your height is 36 inches (76 "), then 118 inches (77 ") would be the minimum height. For kids, this would be 24 inches (76 "). (B) This is your base diameter measurement and can be adjusted slightly depending on your size and experience level. [substeps] For example, most adults will begin with a hula hoop between 40 and 44 inches in diameter. (C) [title] Find a hoop that you know you can balance on. [step] This will improve the stability of the hoop and prevent you from accidentally dropping the ball while on it. (D) Your waist should be about an eighth of an inch shorter than the hoop. You should also measure your waist from hips to ankles, and to knees with a ruler or measuring tape.
[EX A]: B

[EX Q]: [header] How to live with both ibs and gerd [title] Know and avoid your trigger foods. [step] Although completely separate conditions, both ibs and gerd come with a set of trigger foods. These may vary from person to person, but it's essential that you're aware of your trigger foods and you avoid them. <sep> (A) [substeps] Many people have food allergies and triggers that negatively impact quality of life. If one of your triggers is food, check out their menu to work up a few good options with little or no calories. (B) Binging on these foods may trigger your mood, lower your risk of paranoia and depression, and reduce your symptoms. Common trigger foods include : [substeps] Chicocortisone and aspirin (e.g. (C) [substeps] If you're not fully sure what foods set off your symptoms, start a food/symptom journal. Write down everything you eat, the symptoms that follow and the severity of the symptoms. (D) The second the disorder begins to manifest on you, know the entire progression so you'll be able to identify triggers more easily. [substeps] Trigger foods are foods such as ice cream, energy drinks, chocolates, candy, pop, and more.
[EX A]: C

[EX Q]: A leaf is floating through the murky ocean water. a group of scuba divers <sep> (A) are exploring the bottom of the sea. (B) are scuba diving under the pool. (C) stands on shore of a body of water surrounded by coral. (D) uses their hands to hold onto a disc shaped object.
[EX A]:
A