A (stair tower) can be octagonal.Logical formLearned from2 sentences. Some stairs may lead_up to a church.Logical formLearned from2 sentences. An (octagonal stair turret) may lead to a door.Logical formLearned from2 sentences. A height may pertain-to a stair.Logical formLearned from2 sentences. A (stair turret) may have (string courses).Logical formLearned from2 sentences. Stairs may be made of stone.Logical formLearned from2 sentences. A stair can be in a turret.Logical formLearned from2 sentences. A (stair turret) may rise to a cap.Logical formLearned from2 sentences. A (spiral stair) may lead_up to a library.Logical formLearned from2 sentences. Pots can be on stairs.Logical formLearned from2 sentences. Stairs may be situated.Logical formLearned from2 sentences. Lines of a parapet may be relieved by a (stair turret).Logical formLearned from2 sentences. Stairs can be to a story.Logical formLearned from2 sentences. A female may go to a top of stairs.Logical formLearned from2 sentences. Stairs can be to hondens.Logical formLearned from2 sentences.