A tour can be blue.Logical formLearned from19 sentences. Machines can be blue.Logical formLearned from19 sentences. A cause can be blue.Logical formLearned from19 sentences. A blue sky can be flawless.Logical formLearned from19 sentences. Fibers can be blue.Logical formLearned from19 sentences. A nail can be blue.Logical formLearned from19 sentences. A vertical line can be blue.Logical formLearned from19 sentences. A being can be blue.Logical formLearned from19 sentences. Values can be blue.Logical formLearned from19 sentences. A green water can be blue.Logical formLearned from19 sentences. A cluster can be blue.Logical formLearned from19 sentences. An index can be blue.Logical formLearned from19 sentences. Lockers can be blue.Logical formLearned from19 sentences. A broadcloth can be blue.Logical formLearned from19 sentences. Turbans can be blue.Logical formLearned from19 sentences.