Question ID:PT48 S2 Q19 Passage:Three folk groups‚ Glenside, Hilltopper, Levon‚ and three rock groups‚ Peasant, Query, Tinhead‚ each perform on one of two stages, north or south. Each stage has three two-hour performances:  north at 6, 8, and 10; south at 8, 10, and 12. Each group performs individually and exactly once, consistent with the following conditions:Peasant performs at 6 or 12.Glenside performs at some time before Hilltopper.If any rock group performs at 10, no folk group does.Levon and Tinhead perform on different stages.Query performs immediately after a folk group, though not necessarily on the same stage. Stem:Which one of the following groups must perform earlier than 10? Correct Answer Choice:AChoice A:Glenside Choice B:Hilltopper Choice C:Levon Choice D:Peasant Choice E:Tinhead