四路抢答器，主持人复位之前抢答算做犯规，复位之后抢答第一个人有效，其余无效。并且均有组别显示与声音示警。-Four Responder, Responder counted reset before the host foul, the first person to answer in an effective after a reset, the rest is invalid. And have a group show with the sound warning.