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:
A girl presses a full lemon on a machine into a cup. The workers add sugar and water before shaking the cup. a straw <sep> (A) skims over a woman's shoulder. (B) is tilted into the cup and the girl dips a sip into the cup. (C) is added and the lemonade is placed on the counter. (D) is held across the machine.
answer:
C


question:
[header] How to install debian [title] Back up any important files on your computer. [step] Installing debian on your machine will clear your entire hard drive and reformat it, erasing all data in the process. Store your important information on a removable drive before beginning the installation. <sep> (A) [title] Navigate your web browser to the debian website. [step] Debian is distributed through www.debian. (B) [substeps] If you don't own one, ask a sales associate at your bank to store your files in your. Otherwise, you can install them on your own hard drive. (C) [title] If debian has dependency on your operating system in the previous step. [step] Some debian programs allow for debian to be connected to external storage like the usb connector, vertical port or the simplest root driver. (D) [substeps] Make sure to click the " save/install " button right on the back of the removable drive. [title] Locate and modify the " reason for installing debian " website.
answer:
A


question:
[header] How to stop a skateboard [title] Tail scrape only when going slowly. [step] Tail scraping is a very basic stopping method. When performing it, you can easily lose control of the board without meaning to. <sep> (A) If you have never skied before, there is little you can do to stop it. You will just fall off the skateboard and die. (B) Simply stop the skateboard in a right or left lane of traffic. You will need the tail scrape to slow down dramatically. (C) Try tail scraping when skateboarding casually on a sidewalk or even ground. Use a more restrained method (like controlled slide stopping) in dangerous situations. (D) However, you should take the instant warning to heart. Beware: if you continue to lose control of the board without stopping, the board may break over time.
answer:

C