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".
Input: [header] How to celebrate muharram [title] Refrain from public displays of happiness prior to the 10th day of muharram. [step] For the first 9 days of muharram, shia muslims observe a period of mourning for the martyred husayn ibn ali. As such, many shiite leaders encourage their followers to avoid fun or pleasant activities in public and, if possible, in private. <sep> (A) Instead, avoid public displays of happiness around the mosque. [title] Avoid celebration during muharram holidays. (B) This can be a great opportunity to practice your good sportsmanship or cultivate gratitude for other gods. But it's usually best to avoid public displays of happiness until the special day of the celebrations have arrived. (C) This personal denial should last until ashura, the 10th day of muharram. Some things to refrain from include : [substeps] Eating meat, especially during the day. (D) [substeps] Do not become too emotionally involved in public displays of festivities. It is better to display either beirut fever or shyness in public displays of celebration.
Output:
C