(Coral reefs) can be artificial.Logical formLearned from4 sentences. A (body part) can be artificial.Logical formLearned from4 sentences. Peace can be artificial.Logical formLearned from4 sentences. Damage can be artificial.Logical formLearned from4 sentences. Artificial fertilizers may undergo a production.Logical formLearned from4 sentences. Veins can be artificial.Logical formLearned from4 sentences. (Control measures) can be artificial.Logical formLearned from4 sentences. An (island project) can be artificial.Logical formLearned from4 sentences. Snouts can be artificial.Logical formLearned from4 sentences. A male may receive an artificial heart.Logical formLearned from4 sentences. An artificial language may be based on a language.Logical formLearned from4 sentences. A gear can be artificial.Logical formLearned from4 sentences. A deformation can be artificial.Logical formLearned from4 sentences. A contributor can be artificial.Logical formLearned from4 sentences. Drainings can be artificial.Logical formLearned from4 sentences.