用Rail Planner怎么看座位是不是卧铺？

我想买布拉格到巴塞尔的火车票，18:36出发，转天7点多到达，肯定是夜车了，但不知道是不是卧铺。如果是硬座，我非得坐死在上面。。以下是这列车在Rail Planner上的座位信息（最后2行我删除了，字数超出，但是都是”S-leeper），我想问的是：有可能会订到硬座吗？哪里显示是硬座？怎么避免订到硬座
- Second-class seats, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Second class sleeper, T3, shower, WC, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Second-class, couchette, four-bed, C4, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Second-class, couchette, six-bed, C6, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Second class sleeper double shower/toilets, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Bicycle transport
- Mini-bar
- First class sleeper, single, shower, WC, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Standard class (second class) sleepers
- First-class sleeper, special, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Second class sleeper, single, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)
- Second-class sleeper, T2, SCHOENA GR (Germany) --> BASEL SBB (Switzerland)