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 visit the top 10 tourist destinations in london [title] If you are planning to visit london why not try visiting the following must-see places? [title] Visit the british museum at great russell street. The british museum's art collection includes artworks from all over the world. [step] The british museum houses the rosetta stone, sculptures from parthenon, and the portland vase. <sep> (A) Visit art galleries, amazing places, and places which you have never been. [substeps] Do not forget to ask for drivers from the london lights station, trinity quarter , 121 lights avenue-this is the only modern route to london. (B) The british museum is considered as one of the best in the world and it was established in 1753 via the act of parliament. The first collections were from sir hans sloane. (C) They are also accessible by either gps or facebook. [substeps] If you are going to the london museum, press the' get started' button. (D) Occasionally you may see art museums in london that serve as places to observe british history-like the australian museum. [title] Then take the ferry from oxford to mcdonald's, the capital city of london.

SOLUTION: B

PROBLEM: [header] How to solo travel to vienna [title] Plan to stay in a hostel. [step] When traveling alone, it's always a good idea to stay at a hostel. Not only are hostels generally cheaper than hotels, this will help you meet people during your travels. <sep> (A) Taking advantage of free accommodations can help you pass the time and save money. [title] Plan initial backpackers getting used to the cities and customs of vienna on the flat travelling budget. (B) While there are many events you may enjoy alone, vienna has a booming nightlife. On occasion, you may want company for a night out, so a hostel is a good option for this. (C) It will also offer a safe, modern way to escape from the nightlife. An hostel is also a good place to set your budget on a day-to-day basis as you decide if you want to stay alone. (D) Search online for hostels near you if you want to take a trip somewhere you've never been, and plan to stick to the hostel's offerings. [substeps] The best traveling companions who are available in these places will be people who seem friendly, adventurous, and easily reunited from their long life.

SOLUTION: B

PROBLEM: [header] How to train a chinchilla [title] Choose the right treats. [step] Treats are what will make or break this training exercise. You'll need to find a treat that your chinchilla responds well to, which may take some trial and error. <sep> (A) You can use store-bought treats specifically made for chinchillas, or you can use household foods that are safe for chinchillas like raisins. [substeps] Limit how many treats you give your chinchilla each day. (B) Generally speaking, quality treats will make a good place to train your chinchilla. [substeps] It's okay to start with fresh or available treats, as long as the packaging suggests different ways of putting the treat to training for your chinchilla. (C) However, knowing what types of treats your chinchilla enjoys on a daily basis will help get the cat up on the same high ground as it normally does. [substeps] A good candidate for treats is kibble. (D) Shopping in frozen foods, spicy foods or high-protein foods can make or break this training. Talk to your veterinarian before embarking on this exercise.

SOLUTION:
A