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 Input:
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.

Ex Output:
C


Ex Input:
[header] How to choose a secondhand engagement ring [title] Visit a respected local jeweler. [step] Some jewelry stores carry a selection of secondhand or vintage engagement rings. Research local jewelers to find a trustworthy shop in your area. <sep> (A) Use the store's contacts to carefully inspect the rings and design design, but ask the jeweler if there are any indication that they intend to sell them. [title] Ask friends or family members who have similar ring engagement rings. (B) Alternately, ask your friend or family representative if they know of any reputable appraisers in their area. [substeps] Different shops will be exclusive, so ensure that the jeweler you seek matches your ring to that of your friend or family member. (C) [title] Look for a good price and type of ring you want. [step] Don't be picky when choosing online. (D) Consider how long the business has been open and ask friends or family if they are familiar with the business. A reputable jeweler will typically have an in-house gemologist and repair and resizing services.

Ex Output:
D


Ex Input:
A small group of girls are seen walking onto a stage followed by more people following behind. more people <sep> (A) are seen dancing around the stage while people watch on the side. (B) are seen playing instruments at one point followed by them jumping around. (C) continue walking out onto the stage with some holding signs and others watching on the side. (D) are seen playing instruments while the crowd cheers and the girls continue to play.

Ex Output:

C