instruction:
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". 
question:
An athlete practices tossing a javelin in a track a field course. The athlete starts with two or three side steps and then proceeds to toss the javelin. the athlete <sep> (A) then increases his speed and steps. (B) runs parallel to the chalk and throws four instructions that lead into a discus throw, where he throws the javelin as far as he can into the distance. (C) then does a backswing outside of the track. (D) throws the javelin to the other side and then back to the field.
answer:
A


question:
[header] How to be a bondi lifeguard [title] Contact a surf life saving club in or close to bondi. [substeps] Just about anyone can volunteer to be a lifesaver at sydney surf life saving clubs. Surf clubs will be happy to chat to you and tell you what is required if you want to be a volunteer lifeguard. <sep> (A) [title] Find the best and safest surf-life saving club in your area. [substeps] Surf lifeguards live off the beach, and they will probably need two-way water transportation, quite possibly a car or bicycle. (B) Many will provide all the training you'll need. Call them, check out their websites or simply head down and chat to them. (C) This can be achieved by attending the lifesaving club on the first day, then going on to other lifeguard's clubs along the way. If there are lifeguards at any of their lifesaving clubs, talk with one of those lifeguards. (D) This is the only legal aspect of volunteering. They will be able to suggest hours of work that are perfect for you or your specific lifeguard job.
answer:
B


question:
[header] How to adhere concrete to concrete [title] Wait for a cool, overcast day to do your concrete repairs. [step] This is the best time to adhere the concrete because it takes longer for the water to dry out, and it has more time to react with the cement. [title] Buy concrete patching material. <sep> (A) [step] It is available in a pre-mixed form or by buying the separate ingredients in bulk. If you haven't adhered concrete to concrete before, it is a good idea to go with the pre-mixed version, which only requires that you add water. (B) [step] There are many things you can purchase and use, and some of them must be custom-made. [substeps] Read the fine print of your concrete patching material. (C) [step] Before you begin patching the concrete, you may want to consider purchasing something less expensive, such as some polyurethane. Plexiglass is less expensive, and it comes in a variety of different colors. (D) [step] The concrete patching material required to adhere cement will vary widely from brand to brand, so consult the label for instructions. Concrete patching materials can be hard to find, so shop around a few different suppliers to see if someone else would be good enough.
answer:

A