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". 

[EX Q]: [header] How to identify a siberian tiger [title] Look for long, thick fur. [step] Because siberian tigers live in colder climates than other tiger subspecies, they have considerably thicker coats. Most other tigers will have a very thin layer of fur close to their body. <sep> (A) [substeps] Siberian tigers often have thin coats that are made from specific materials that repel the cold and will not compete with the other types of fur. Siberian tigers are known as " rhode ors, " or " jumpers. (B) [substeps] Siberian tigers also typically have white or tan skin, without shades of brown. Their fur will be pale and coarse, with geometric stripes or patches of fur along their body. (C) Siberian tigers, in contrast, will look a bit puffy because of their longer fur. [substeps] Because of their colder environment, siberian tigers will even have thick fur on their paws. (D) If your siberian tiger is a larger sized tiger, then look for a small with a long coat or big. [title] Check for eight or more striped stripes.
[EX A]: C

[EX Q]: The man is hunched over on the the ground trying to build a fire by himself. It's all about adding oxygen at the right time once you have started a nice fire. also <sep> (A) , the cameraman goes to stand up to help the guy who's in the crouch position as the camera guy films them and makes notes. (B) , the guy rushes to get a bigger one. (C) , the man is not lying flat on the ground as he is trying to put firewood into the fire on the ground. (D) , if the fire is dead or dying you just hit it with a little bit more oxygen and it will help bring it back up.
[EX A]: D

[EX Q]: [header] How to cut your own hair (men ) [title] Wash your hair before you cut it. [step] Your hair will be easier to work with if it's clean and snarl-free. Get your hair wet under running water and use shampoo and conditioner, rinsing both out after you've worked them through your hair. <sep> (A) [substeps] If you have no other hair options available, rinse your hair under running water for a minute to get out any tangles. [title] Use hair conditioner after showering. (B) [title] Soak your hair in apple cider vinegar for 20 to 30 minutes. [step] Mix a 1/2 cup (120 ml) of apple cider vinegar in 1 cup (226 ml) of water. (C) [title] Detangle your hair with a comb. [step] Run the comb through your hair and work out any knots with the comb or with your fingers. (D) [title] Rinse and dry your hair with a towel. [step] After you're finished working out your hair, take a good, hot shower.
[EX A]:
C