Teacher:In this task, you are given a sentence and a verb from the sentence. Your task is to generate a set of wh-questions starting with who, what, when, where, why, how, how much. The generated questions must contain the verb and the answers to these questions are phrases in the input sentence. The answer to the questions is associated with a specific semantic role. The answer to these questions is associated with a specific semantic role. The questions must use pronouns instead of direct nouns that could be used to refer to various roles present in the sentence. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is unique (iii) its answer is a continuous text span from the paragraph.
Teacher: Now, understand the problem? Solve this instance: Sentence: The Packers had not lost at Lambeau Field in December since the 1993 season , and the 5-7 Panthers desperately needed a win to keep their playoff hopes alive . 
 Verb: win
Student:
who must  win?