Stories can be constituted-of-or-filled-with stairs.Logical formLearned from2 sentences. Stairs can be tight.Logical formLearned from2 sentences. Some sides can be constituted-of-or-filled-with some stairs.Logical formLearned from2 sentences. Stairs may lead into a room.Logical formLearned from2 sentences. Stairs can be on a side.Logical formLearned from2 sentences. Feet may slip on stairs.Logical formLearned from2 sentences. Stairs can be at a party.Logical formLearned from2 sentences. A female may trudge_up stairs to an apartment.Logical formLearned from2 sentences. Stairs may hit a run.Logical formLearned from2 sentences. Stairs may cry.Logical formLearned from2 sentences. An one may climb stairs.Logical formLearned from2 sentences. Stairs can be perilous.Logical formLearned from2 sentences. A person may take stairs some times.Logical formLearned from2 sentences. A male may disappear_up stairs.Logical formLearned from2 sentences. Stairs can be a pain.Logical formLearned from2 sentences.