question: I am here. . . . Only for a second. . . . then I leave. . .    I come again. . . . but only for a second. . . . And I leave. . .    Some dred me. . . . Others hope for me. . . . . .    Some wait with great anticipation. . . . . .    While others are disgusted by the thought. . . . .    I will continue until the end of time itself. . . .    What am I?
choices.label: A B C D E
choices.text: tommorrow maxwell string theory way function