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]: A manager explains the players how to play jai-alai while a group of boys observe the training. then <sep> (A) , two teams play polo match with women that talk to the camera. (B) , the girls stand together and play on the field in different manner, while players stand on the sides of the field. (C) , the coach continuously shows the players how to use the position. (D) , the players take turns to hit balls, and the manager shows to hit the ball.
[EX A]: D

[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]: [header] How to reset hp 678 ink cartridge estimated ink levels [title] Make sure the contacts that are located on the cartridge (bottom side) are not broken. [step] The contacts are a very important part of the cartridge for use, and will be needed to reset the ink level. Your cartridge may vary from genuine hp 678 cartridges, or 3rd party cartridges or remanufactured cartridges. <sep> (A) [title] Contact hp 678 printing company to schedule a pin replacement regarding your cartridges. [step] If your printer is still available, you may have to contact hp 778 to have the machine refill the ink levels used to ink cartridges. (B) This method only works with genuine hp 678 cartridges. [substeps] When you go to the bottom side of the cartridge, there will be many contact points. (C) [substeps] If you have any questions you might be able to contact the u.s. department of manufacturing or your local customer service agency. (D) [title] Hold the cartridge up to a light to the same point that changes the ink level. [step] Make sure you are in the right place.
[EX A]:
B