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:
They are traveling to the event together and check into a hotel. The entire team spends time together before the event. two of the team members <sep> (A) are quick to start and begin to fence. (B) play volley ball with the team mates. (C) talk about their experience with the water polo event. (D) are dressed in some sort of uniform and they run on the stage and join the march.

Ex Output:
C


Ex Input:
A marching band is in the midle o street. behind the marching band <sep> (A) people are in s street playing. (B) the drummers are covering the ground. (C) , a tire is taken off and replaced with a new tire. (D) a fire truck is in the parade.

Ex Output:
D


Ex Input:
[header] How to reduce tsh levels [title] Have your tsh levels tested. [step] The most reliable way to lower your tsh levels due to hypothyroidism is to take a synthetic thyroid hormone called levothyroxine. This drug is available by prescription from your doctor. <sep> (A) However, if you don't get any response from your doctor, try some probiotic supplements to avoid tsh sensitivity. [substeps] Popular probiotic supplements include: arbyl-sate (mipee), coenzyme (phytococcus), and piros (vators). (B) If you're having difficulties regulating your tsh levels, it may be useful to take other forms of thyroid hormone. [substeps] You should check your doctor's approval to administer levothyroxine. (C) [substeps] Be sure that you talk to your doctor about taking this drug in children younger than nine years old. Levothyroxine can be taken as candy or consumed as a tablet. (D) It is an oral medication that restores your hormone levels and reverses the symptoms of hypothyroidism. You will need to take it once a day.

Ex Output:

D