Stimulants can be artificial.Logical formLearned from72 sentences. Data can be artificial.Logical formLearned from71 sentences. A manipulation can be artificial.Logical formLearned from70 sentences. Lifeforms can be artificial.Logical formLearned from70 sentences. A harbor can be artificial.Logical formLearned from70 sentences. Hills can be artificial.Logical formLearned from69 sentences. A lab can be artificial.Logical formLearned from69 sentences. Nipples can be artificial.Logical formLearned from68 sentences. A drainage can be artificial.Logical formLearned from68 sentences. An atmosphere can be artificial.Logical formLearned from68 sentences. Pitches can be artificial.Logical formLearned from67 sentences. A limit can be artificial.Logical formLearned from67 sentences. A diet can be artificial.Logical formLearned from67 sentences. A star can be artificial.Logical formLearned from67 sentences. A means can be artificial.Logical formLearned from66 sentences.