(Museum exhibits) can be indoor.Logical formLearned from3 sentences. (Bowling facilities) can be indoor.Logical formLearned from3 sentences. An indoor mall can be in an area.Logical formLearned from3 sentences. An indoor arena may be located in a district of a world-city.Logical formLearned from3 sentences. A stadium can be an indoor arena.Logical formLearned from3 sentences. A (size swimming pool) can be indoor.Logical formLearned from3 sentences. A barn can be indoor.Logical formLearned from3 sentences. Wallpapers can be indoor.Logical formLearned from3 sentences. A male can be an indoor track.Logical formLearned from3 sentences. Staircases can be indoor.Logical formLearned from3 sentences. Musical performances can be indoor.Logical formLearned from3 sentences. A physical education can be indoor.Logical formLearned from3 sentences. An olympic-sized pool can be indoor.Logical formLearned from3 sentences. (Playing fields) can be indoor.Logical formLearned from3 sentences. (Volleyball courts) can be indoor.Logical formLearned from3 sentences.