Which of the following does not qualify as a sleeper berth?

A sleeper berth is a designated space within a vehicle that provides a safe and comfortable place for a driver to rest or sleep during mandatory rest periods. A designated area of a truck specifically designed for this purpose is recognized as a sleeper berth because it typically includes features like a mattress and enough room for the driver to lie down comfortably.

The back seat of a bus, while it might provide a place to rest, does not meet the specific requirements of a sleeper berth, which include being designed for sleeping, often with more privacy and comfort than what can be offered in a typical bus back seat. Similarly, a reclining seat lacks the necessary features and space to qualify as a sleeper berth, as it may not provide an adequate area to rest safely for an extended period.

Therefore, both the back seat of a bus and a reclining seat do not qualify as sleeper berths. This understanding leads to the conclusion that options suggesting both of these do not qualify are the correct response.