Radioactive materials can be artificial.Logical formLearned from6 sentences. An institution can be artificial.Logical formLearned from6 sentences. Lakes can be artificial.Logical formLearned from6 sentences. Formulaes can be artificial.Logical formLearned from6 sentences. Some artificial rains can be constituted-of-or-filled-with bodies.Logical formLearned from6 sentences. Drinks may contain artificial sweeteners.Logical formLearned from6 sentences. A preparation can be artificial.Logical formLearned from6 sentences. Seawaters can be artificial.Logical formLearned from6 sentences. Discontinuities can be artificial.Logical formLearned from6 sentences. Artificial islands may be shaped.Logical formLearned from6 sentences. Assumptions can be artificial.Logical formLearned from6 sentences. A fragmentation can be artificial.Logical formLearned from6 sentences. (Guide stars) can be artificial.Logical formLearned from6 sentences. Persons may meet an artificial mind.Logical formLearned from6 sentences. A (word-error rate) can be artificial.Logical formLearned from6 sentences.