Teacher:In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
Teacher: Now, understand the problem? Solve this instance: Context: @cnni I hope the families of the victims get the truth and finally closure #Westgate6Months Ruthie Ruthie (@808Ruthie) March 17, 2014 Answer: karen's 100
Student:
who is the poster of this tweet?