A footstep can be on a stair.Logical formLearned from2 sentences. A female may ascend (stone stairs).Logical formLearned from2 sentences. A female may sit at a foot of stairs.Logical formLearned from2 sentences. A voice can be on stairs.Logical formLearned from2 sentences. A male may discuss base-ball on stairs.Logical formLearned from2 sentences. A pile of tin may pan at a top of stairs.Logical formLearned from2 sentences. A passage can be to stairs.Logical formLearned from2 sentences. A male may mount stairs to a room.Logical formLearned from2 sentences. Stairs can be attractive.Logical formLearned from2 sentences. Stairs can be at ends of a structure.Logical formLearned from2 sentences. Stairs may be located at points.Logical formLearned from2 sentences. A (stair core) may receive light from a skylight.Logical formLearned from2 sentences. A second floor may be reached by stairs.Logical formLearned from2 sentences. A stair may climb destructive to a strength of pupils.Logical formLearned from2 sentences. A study may begin with an assessment of stair.Logical formLearned from2 sentences.