A male may be stationed at a top of stairs.Logical formLearned from2 sentences. A female may insist on kissing a male.Logical formLearned from2 sentences. A male may go_up a stair.Logical formLearned from2 sentences. A foot may pertain-to a (tower stair).Logical formLearned from2 sentences. Stairs can be at a back.Logical formLearned from2 sentences. Stairs may creak under feet.Logical formLearned from2 sentences. Stairs may go_up on a side.Logical formLearned from2 sentences. A male may peer_down winding stairs.Logical formLearned from2 sentences. Thuds can be on stairs.Logical formLearned from2 sentences. A person may wander_down stairs.Logical formLearned from2 sentences. A woman can be at a foot of a stair.Logical formLearned from2 sentences. A person may remain at a top of a stair.Logical formLearned from2 sentences. A polish may pertain-to an (oak stair).Logical formLearned from2 sentences. A street-lantern may cast some light on stairs.Logical formLearned from2 sentences. Steps of a head-porter may be heard on stairs.Logical formLearned from2 sentences.