Stairs can be from a street.Logical formLearned from2 sentences. A stair may pertain-to a doctor.Logical formLearned from2 sentences. A brother may bring mom to stairs.Logical formLearned from2 sentences. An area can be around stairs.Logical formLearned from2 sentences. Leader may pertain-to a stair.Logical formLearned from2 sentences. An owner of articles may dash stairs.Logical formLearned from2 sentences. A male may reach a stair.Logical formLearned from2 sentences. Stairs may come_out on a landing of a staircase.Logical formLearned from2 sentences. A (side stair) can be irregular.Logical formLearned from2 sentences. An imaginary world can be constituted-of-or-filled-with stairs.Logical formLearned from2 sentences. A black pope may live in an imaginary world of stairs.Logical formLearned from2 sentences. A stair can be constituted-of-or-filled-with steps.Logical formLearned from2 sentences. A female may see a stair.Logical formLearned from2 sentences. A problem may pertain-to stairs.Logical formLearned from2 sentences. Stairs may lead to a foyer.Logical formLearned from2 sentences.