A mailbox can be blue.Logical formLearned from30 sentences. Arcs can be blue.Logical formLearned from30 sentences. Sashes can be blue.Logical formLearned from30 sentences. Papers can be blue.Logical formLearned from30 sentences. A family can be blue.Logical formLearned from30 sentences. A school can be blue.Logical formLearned from30 sentences. A sundress can be blue.Logical formLearned from30 sentences. Leggings can be blue.Logical formLearned from30 sentences. A puffle can be blue.Logical formLearned from30 sentences. A blue ocean can be under the open sky.Logical formLearned from30 sentences. A (cow sculpture) can be blue.Logical formLearned from30 sentences. Vases can be blue.Logical formLearned from30 sentences. Blue eyes may stare at a male.Logical formLearned from30 sentences. An eye can be blue.Logical formLearned from30 sentences. The sun may shine in a blue sky.Logical formLearned from30 sentences.