Looks can be empty.Logical formLearned from13 sentences. A glove can be empty.Logical formLearned from13 sentences. (Mineral water bottles) can be empty.Logical formLearned from13 sentences. A (subway station) can be empty.Logical formLearned from13 sentences. A (text file) can be empty.Logical formLearned from13 sentences. A load can be empty.Logical formLearned from13 sentences. Threats can be empty.Logical formLearned from13 sentences. A locker can be empty.Logical formLearned from13 sentences. Cafés can be empty.Logical formLearned from13 sentences. A table can be empty.Logical formLearned from13 sentences. A (meeting room) can be empty.Logical formLearned from13 sentences. Pairs can be empty.Logical formLearned from13 sentences. Some offices can be empty.Logical formLearned from13 sentences. Some restaurants can be empty.Logical formLearned from13 sentences. Theaters can be empty.Logical formLearned from13 sentences.