Roosts can be artificial.Logical formLearned from52 sentences. An advantage can be artificial.Logical formLearned from52 sentences. Milk can be artificial.Logical formLearned from51 sentences. Smoke can be artificial.Logical formLearned from51 sentences. Creatures can be artificial.Logical formLearned from51 sentences. A timeline can be artificial.Logical formLearned from50 sentences. An enhancement can be artificial.Logical formLearned from50 sentences. Organisms can be artificial.Logical formLearned from50 sentences. A method can be artificial.Logical formLearned from50 sentences. A lake can be artificial.Logical formLearned from50 sentences. Measures can be artificial.Logical formLearned from49 sentences. Humans can be artificial.Logical formLearned from49 sentences. A medium can be artificial.Logical formLearned from49 sentences. Sweetners can be artificial.Logical formLearned from49 sentences. Shortages can be artificial.Logical formLearned from48 sentences.