Projects can be empty.Logical formLearned from9 sentences. An e-mail can be empty.Logical formLearned from9 sentences. A (room ..) can be empty.Logical formLearned from9 sentences. A (cardboard box) can be empty.Logical formLearned from9 sentences. A toilet can be empty.Logical formLearned from9 sentences. A (water glass) can be empty.Logical formLearned from9 sentences. Monuments can be empty.Logical formLearned from9 sentences. A tray can be empty.Logical formLearned from9 sentences. A (baseball field) can be empty.Logical formLearned from9 sentences. An empty bottle can be constituted-of-or-filled-with alcohol.Logical formLearned from9 sentences. A letter can be empty.Logical formLearned from9 sentences. Stages can be empty.Logical formLearned from9 sentences. A grin can be empty.Logical formLearned from9 sentences. An other half can be empty.Logical formLearned from9 sentences. A bed can be empty.Logical formLearned from9 sentences.