Buildings can be with stairs.Logical formLearned from3 sentences. Stairs can be to storage.Logical formLearned from3 sentences. A female may flee_up stairs.Logical formLearned from3 sentences. A male may be headed toward stairs.Logical formLearned from3 sentences. A voice may come from stairs.Logical formLearned from3 sentences. A female may go to a bottom of stairs.Logical formLearned from3 sentences. Speed may ascend a (stair case).Logical formLearned from3 sentences. A light can be at a top of stairs.Logical formLearned from3 sentences. (Metal stairs) can be rickety.Logical formLearned from3 sentences. (Stair railings) can be a comp.Logical formLearned from3 sentences. A person may head_down stairs.Logical formLearned from3 sentences. Someone may descend stairs.Logical formLearned from3 sentences. Winding stairs may consist of some steps.Logical formLearned from3 sentences. A station may have stairs.Logical formLearned from3 sentences. A male may go_over to stairs.Logical formLearned from3 sentences.