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 clean a vornado fan [title] Clean out dust in the outer grills using a vacuum cleaner brush. [step] You can use a brush attachment on a vacuum cleaner to clean out all of the dust from the outer grills. Make sure the fan is unplugged before vacuuming. <sep> (A) [title] Place a cleaning rod in each section of the fan and squirt some cleaning fluid through each rod. [step] Avoid getting any grease in the vents or rest tray. (B) Some of the cleaner should be removed from the outside if you use a cloth and brush as cleaning instructions are laid out in the manual. [substeps] Avoid cleaning the outer grills with dust because it can detach some of the insulation and contribute to the fan's cooling. (C) Wipe down the inside of the cover every few minutes so you can put the fan back together. [substeps] For maximum efficiency, you should wash your vornado fan at least once a month, which is right after each dry run. (D) Go slowly when vacuuming to ensure you clean out as much dust as possible. [substeps] This will only clean the outer part of the fan, not the inside blades.

SOLUTION: D

PROBLEM: [header] How to turn forty gracefully [title] Set a realistic weight goal. [step] A realistic weight goal should be based on the body and limits of your current self, not the self you wish you had or the self you had twenty years ago. Your goal should be specific and measurable, and limited in time. <sep> (A) [substeps] For example, if you are 35 years of age and have an empty stomach, then set a goal to lose ten pounds in thirty years from now on. Keep in mind that you will not see the difference in yourself if you start getting older. (B) If you are unable to accomplish a current weight goal, you should also consider setting another goal, often known as a baptism goal. Baptism goals provide an answer to both your doubting thoughts and worried questions. (C) [substeps] For instance, a goal to lose twenty pounds is a good goal. A goal that is vague like " i want to get fit " is not measurable. (D) [substeps] For example, if you are looking to reduce your overall physical limits, you might set realistic weight goals. For example, you might set out to lose 30 pounds in one year and then lose 20 pounds in another year, and then lose 25 pounds within that year.

SOLUTION: C

PROBLEM: She wants her mom to pretend that she is santa claus. The laughs and rolls the cookie dough on the cutting board. the mother <sep> (A) opens the oven and puts the tray full of cookie dough into the oven for baking. (B) laughs at the camera and tells her daughter again to pretend she is santa claus and the girl finally gets the dough and congns it onto a clear plate. (C) lets her mother lick the cookie dough first then takes it off the cutting board. (D) throws the dough out on the floor.

SOLUTION:
A