A man can be artificial.Logical formLearned from57 sentences. A stream can be artificial.Logical formLearned from57 sentences. An artificial sweetener may be used in products.Logical formLearned from57 sentences. A (growth hormone) can be artificial.Logical formLearned from57 sentences. A track can be artificial.Logical formLearned from56 sentences. Persons can be artificial.Logical formLearned from56 sentences. Waterfalls can be artificial.Logical formLearned from56 sentences. Valves can be artificial.Logical formLearned from56 sentences. A boom can be artificial.Logical formLearned from56 sentences. Mounds can be artificial.Logical formLearned from55 sentences. An urinary sphincter can be artificial.Logical formLearned from55 sentences. A constraint can be artificial.Logical formLearned from55 sentences. Channels can be artificial.Logical formLearned from54 sentences. A habitat can be artificial.Logical formLearned from54 sentences. A version can be artificial.Logical formLearned from54 sentences.