A reaction to stairs can be a fear.Logical formLearned from2 sentences. A stair may be positioned.Logical formLearned from2 sentences. Stairs may pertain-to a chamber.Logical formLearned from2 sentences. A male may run_up stairs to a bedroom.Logical formLearned from2 sentences. Stairs may pertain-to a prison.Logical formLearned from2 sentences. Stairs can be on a second floor.Logical formLearned from2 sentences. A male may get to a head of stairs.Logical formLearned from2 sentences. Stairs may pertain-to a gallery.Logical formLearned from2 sentences. Stairs may be constructed.Logical formLearned from2 sentences. Persons may try stairs.Logical formLearned from2 sentences. Sounds may drift_up stairs.Logical formLearned from2 sentences. A girl may stand at a top of stairs.Logical formLearned from2 sentences. Stairs may lead to quarters.Logical formLearned from2 sentences. Others may use stairs.Logical formLearned from2 sentences. A female may reach a flight of stairs.Logical formLearned from2 sentences.