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". 

Q: [header] How to polish rocks [title] Choose the right rock. [step] You can polish any stone you wish, but there are certain characteristics of a stone that will make it easier to polish. If you want an easy stone to polish, pick a somewhat softer stone like onyx, limestone or calcite. <sep> (A) [substeps] You can polish diamond, granite or ceramic stones by cutting thin pipe holes or inserting dry mortar into one side of each hole. Look for a stone that resembles a diamond, but not necessarily a diamond. (B) Otherwise, a smoother, more pumice-like stone will be more difficult to polish. [substeps] Emeralds and equilateral manganese are both excellent mineral polishes. (C) Stones that are very hard will take a much longer time to polish. However, though hard rocks take a long time to sand, they yield more shine than softer rocks. (D) Softer rocks will actually work more well, and might look better to polish very old stones, but brighter stones tend to chip quicker. [substeps] Rubies, sapphires, and emerald are good options.

A: C
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Q: A photo is zoomed in on of a man being gored by a bull. A bull charges a man and knocks him around until people come out and distract him. it <sep> (A) cuts to the man again being charged by the bull. (B) spikes his many legs while the man shoots and is knocked out cold. (C) continues over again and there are lots of people surrounding the man and some hurt him. (D) shows the dead contestants and the loser.

A: A
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Q: [header] How to make halloween pumpkin pretzels [title] Gather the following ingredients : [title] Melt the orange chocolate in the microwave for about 40 seconds. [step] Let the chocolate cool for 10 minutes after melting. [substeps] If you don't have orange chocolate, you can buy it at any supermarket, or even online. <sep> (A) It is warm, and it fizzes easily and is versatile. [title] Cut the vanilla peas into thin strips. (B) If you use warm chocolate, it will melt more quickly. [title] Stir the melted chocolate into the batter. (C) Double the amount of chocolate if you are 12 years old (13 including younger siblings). Use a microwave-safe container such as a soda can. (D) [title] Put the melted chocolate in a bowl. [step] Dip the pretzels, and take them out using a big spoon.

A:
D
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