Illuminated by a spotlight, the magician requests a volunteer. He scans the audience with the discriminating eye of a cardsharp and plucks one out: the right bloom for the bouquet, the right note for the appoggiatura, the one. She's not the chipper satin-and fishnet-clad young lady he'd hire for an assistant. She's an old lady, a grandmother — she's lived her life, so there's nothing more to guess at. He will do his knife trick. He will puncture her, and she will leap out of the box, unwounded, not a hair shortened. We hear the rasp of the blades on the box. He opens it: No one is there. Choreographers Megan and Shannon Kurashige premiere an evening-length adaptation of Neil Gaiman's 264-line poem on magic and loss, "Queen of Knives." With seven performers working in a ballet-infused contemporary vocabulary, dance company Sharp and Fine retells Gaiman's story in images and illusions.