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]: Various shots of a tattoo shop are shown followed by a woman sitting in a chair and a man getting items ready. she <sep> (A) takes a sip of water and the man then pierces her lip with a needle. (B) then goes out to the back and is seen tattooing and sliding around a man's headrest. (C) continues tattooing her arm and ends with credits shown on the screen. (D) has several tattoos and the man ffing her arm with a tool.
[EX A]: A

[EX Q]: [header] How to unblock a toilet when you have no plunger [title] Cover the end of a mop with a plastic bag. [step] Pull the bag over the end of the mop. Then, tie it off or secure it in place with a rubber band. <sep> (A) You can also use a rag or a toilet cloth to help secure the bag if you don't have a mop. [substeps] Try using empty containers to provide more protection. (B) After securing the handle of the mop, throw it away. [title] Turn on the water faucet. (C) [substeps] Discard any waste that falls from the end of the mop. [title] Use the bucket or bowl to catch any urine that spills out. (D) [title] Plunge your toilet with the mop. [step] Use a forceful in and out motion like you would with a normal plunger.
[EX A]: D

[EX Q]: [header] How to diagnose a fistula [title] Check for pain around the anus or genitals. [step] Pain and irritation are common symptoms of many types of fistulas. You may experience pain and swelling around anus, genitals, or the area between the genitals and anus (the perineum). <sep> (A) The pain may feel like a burning sensation or pain in your abdomen. Treat the issue immediately by touching or noticing any unusual itching. (B) If the pain or irritation goes into the anal region, then you may have fistulas inside. [substeps] Most fistulas will go away on their own and will not return. (C) [substeps] Anal fistulas may cause pain during bowel movements. Fistulas involving the vagina may cause pain during sexual intercourse. (D) If you feel pain while trying to or to ejaculate, it's probably a sign of anus irritation. Pain around an anus could also be one of several other symptoms of fistulas.
[EX A]:
C