TASK DEFINITION: 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". 
PROBLEM: [header] How to install a bakflip hd tonneau cover on a ford f150 [title] Place the rail of the bakflip hd on right hand side bed rail of the f150. [step] Slide the tonneau rail all the way forward to the bulk head. It is a good idea to have a squeeze clamp or similar to hold it in place. <sep> (A) [title] Slowly turn the bakflip over so it moves slowly, its going to wobble and have to be bent the opposite way of the rail. [step] Be prepared for a lot of bumping. (B) [title] Tightly wrap round tray socket on right hand rail over cover and fasten. [step] Compression disks complete a swivel mounted over rail. (C) [title] Place the included rail clamps in place. [step] Tighten with a wrench or socket. (D) This will prevent the oil from jumping up and down accidentally while the g2 is being painted. [title] Place the nikon bolt assembly inside the couplers cradle.

SOLUTION: C

PROBLEM: [header] How to perform an autopsy on a human being [title] Understand what an autopsy is. [step] An autopsy is a detailed examination (and dissection) of a human body after death. It is used to determine the likely time and cause of death, as well as to evaluate the presence of disease and/or injuries. <sep> (A) An autopsy is often performed during the day after a death, or at night. Depending on your body type, an autopsy can last longer or shorter if done with the right equipment. (B) The autopsy is often conducted as a procedure administered in an office, rather than a surgical procedure, but it is treated in multiple ways. [substeps] For a crime scene autopsy, the job is to put the human body's dna on a piece of paper and then render it to a laboratory for analysis. (C) [substeps] An autopsy is conducted by a pathologist, which is a doctor with specialty level training in how to do the procedure and how to effectively analyze the tissues and body fluids. If the person's death is being investigated forensically, an autopsy may be legally mandated. (D) A typical autopsy takes place approximately 50 minutes after the death of the patient. The procedure consists of the following components : [substeps] Removing the deceased's organs from the body.

SOLUTION: C

PROBLEM: [header] How to help your memory during early stages of alzheimer's disease [title] Repeat memory-triggering phrases. [step] One way to help improve memory and keep it sharp is to use memory-triggering phrases on a daily basis. You can repeat these phrases to yourself aloud or have others around you use them. <sep> (A) [substeps] This is another option that might be helpful if you have impaired memory. Words such as " simple ", " easy ", and " fun " are common. (B) Memory triggering phrases have been shown to improve memory loss. [substeps] For example, you may use a common saying that the person uses as a memory trigger. (C) This helps you avoid sounding guilty or ashamed, as the repeated phrases may sound funny or intimidating to others. [substeps] For example, you could say to yourself, " when i was five or six, i used my phone to pretend i did not hear them. (D) [substeps] You might repeat out loud to yourself " i am having trouble remembering this, " or " it's hard to remember these things because i can't quite remember them down the road. " many medical doctors will recommend that you repeat these phrases if you are mindful.

SOLUTION:
B